The episode continues with Sun-jae giving Sol a kiss outside their home. Sol’s mother Bok-soon notices him but is unaware that he is with Sol. The newly formed couple opt to go to a restaurant and engage in some conversation. Sun-jae is not concerned about his death in 2023, but rather about Sol’s mother potentially judging their relationship. Meanwhile, Sol is concerned about Sun-jae’s premature death, but he reassures her that he is doing well. Then asks Sol to meet him at this same restaurant in the year 2023.
Nonetheless, Sol later contacts the detectives and requests that they investigate the truck that was in the vicinity of her residence that evening.
In another location, Mr. Ryu meets up with a friend for a drink and shares his concerns about Sun-jae traveling abroad. At the same time, his son is at home, smiling as he reflects on his new relationship with Sol. Whereas his son, Sun-jae is currently experiencing the greatest happiness of his life. He is grinning widely as he saves Sol’s number on his phone, adding heart emojis to show his affection. He’s head over heels.
Mr. Ryu comes back home and collapses in shock upon finding Sun-jae there whom he thought should be on the plane abroad but Sun-jae expresses his readiness to move on from swimming and focus on his academics. He tells his father that he could become famous in another field but flees when his father asks him about his luggage.
The following morning, Sol’s mother informs her and Grandma that she saw Sun-jae kissing a girl in the streets. Naturally, Sol pretends to be clueless about what her mom is saying but immediately stands up for Sun-jae. Sol’s mother also encounters Mr. Ryu while he is retrieving his newspaper and reveals information about Sun-jae’s romantic relationships. As anticipated, Mr. Ryu is denying that his son is in a relationship. Before running off to school, he asks Sun-jae if he has a girlfriend and quit swimming because of her and Sun-jae responds that he did not quit swimming because of a girl.
He quickly goes outside to get Sol, and together they walk to school, holding hands and smiling like lovesick fools. Hyun-jo becomes upset when he sees them holding hands and realizes that they are trying to keep their relationship hidden. Sol was concerned that making her presence known to everyone might cause confusion for the other Sol when she goes back to her own time. Nonetheless, Sun-jae assures that he will deal with any repercussions, as he is determined to make the most of the limited time he has with his new girlfriend. When Sun-jae assures Hyun-jo that he will arrange a blind date for her with his friend Cho-rong, she starts to feel more at ease. The blind date with Cho-rong is successful, but Geum becomes jealous when he sees the two of them together at a cafe
At the same time, Sun-jae and Sol continue to see each other regularly and enter into a committed relationship. Sun-jae also rejects the advances of the other girl who was flirting with him. They go on charming, heartwarming dates and they make wishes on cherry blossom petals. Sun-jae decides not to participate in the music audition, causing Sol to fear that she has taken away his chance at future happiness. Sun-jae is unconcerned; as long as he is with Sol, he is content.
While talking with Cho-rong and his other friend, Cho rong mistakenly leaves a bag of condoms inside Sun Jae’s bag. That evening, Sol and Sun-jae end up falling asleep while watching a movie together. The next day, Sol realizes that she accidentally drooled on Sun-jae’s shirt and attempts to clean it. Sadly, Geum notices them, and Sun-jae’s shirt gets ripped unintentionally as he quickly stands up in surprise. Geum misinterprets the situation and warns Sun-jae that he will physically harm them. Sol’s mother, Mr Ryu, and Grandma are all brought out by the commotion. Next, comes the most hilarious altercation as the parents attempt to protect the purity of their own children.
Sol’s mother mentions the Basic Instinct movies that she believed Mr. Ryu took, and Mr. Ryu tries to protect his son who actually took them. However, the situation intensifies when Mr. Ryu attempts to forcibly remove Sun-jae, resulting in a physical altercation. He grabs Sun-jae’s bag and all of a sudden, numerous condoms go flying into the air. Even Grandma, who typically supports Sun-jae, is too shocked to say anything. The cherry on top is the surprised expression on Sun-jae and Sol’s faces. Sun-jae was completely unaware that Cho-rong had placed those items there. Fortunately, Sun-jae arranges a meeting with all the parties involved and they discuss the situation. He successfully convinces Cho-rong to come forward and provide a witness statement regarding the condom mystery. When Cho-rong finally arrives asking for his condoms, Sun-jae and Sol hug because they have both been vindicated.
At the same time, the detectives inspect the truck as Im Sol asked and discover that it is indeed Kim Young-soo. Street cameras are being used to track his whereabouts and gather information. Tae Seong finds out that Young-soo is hanging around and decides to visit Sol’s place to alert her. He feels annoyed because Sol continues to keep him uninformed and suggests that she should escape from the situation. Nonetheless, Sol is confident that Young-soo will find her eventually. She asks Tae-Seong to not tell Sun-jae about the secret and assures him that she will treat him to a meal.
Sun-jae arrives and accidentally hears a portion of the conversation. Due to jealousy, he decides to take Tae-Seong out for dinner instead. During dinner, Sun-jae firmly establishes himself as Sol’s partner and tells Tae-Seong to stay away. (Envious Sun Jae)
He also attempts to convince Tae-Seong to reveal what Sol is scared of. Nevertheless, Tae-Seong declines and suggests that the person should instead ask his girlfriend. Later on, the two of them become intoxicated from alcohol and reveal their insecurities. The following morning, the two men wake up to find themselves embracing on In-hyuk’s bed. In hyuk reminds them of how they bothered him last night. Ufortunately, he had the responsibility of taking care of two intoxicated men who were infatuated with Sol, constantly mentioning her whenever they can. Sun Jae is shocked, but there is already a mutual fondness between them despite their denials.
As Sun-jae is tidying up in the bathroom, In-hyuk reveals to Tae-Seong that the club has decided to let go of the band and that they will be playing their final show that evening. In-yuk feels let down and is prepared to throw in the towel. Tae-Seong volunteers to assist them in ensuring their final band performance is a success.
Later in the evening, Hyun-joo encounters a lonely Geum. The man is feeling upset because he was let go from his previous acting position. He is also feeling envious of Hyun-joo’s new man and attempts to deny it. She tries her hardest to make him feel better, and they eventually find themselves seeking shelter in a confined space while being pursued by a dog.
However, Sol receives a call from Tae-Seong’s father, who tells her that they have finally captured Young-soo. The information they had on the suspect’s whereabouts allowed them to locate and apprehend him. Sol is thrilled to hear this. Right away, she receives a message from Sun-jae inviting her to attend In-hyuk’s band performance. Witnessing Sun-jae singing his song fills her with joy, bringing tears to her eyes in surprise. She is finally feeling relaxed and confident that they have resolved the issue. CEO Kim Seok-hyun watches the band perform while they are on stage. I was disappointed that Eclipse would only be a three-member group, but it turns out he will still be part of it after all.
The detectives get into a car crash, giving Young-soo the chance to escape.
In the epilogue, Sol and Sun-jae are seen sharing their wish for each other’s happiness as they watch cherry blossom leaves fall around them.