Sol and Sun Jae reunite as promised at Hangang Bridge. Fearing separation, Sol convinces Sun Jae to spend the night together, leading to a realization of their feelings. An unexpected incident leaves Sol distressed.
Sun Jae informs Sol about his rehabilitation training in the US. In Hyuk invites Sun Jae to audition with his band. Tae Seong learns of Sol's kidnapping and visits her. Sun Jae departs for the US.
Sol escapes her captor and Sun Jae rescues her, finding herself back in 2023. Her legs are healed, she works in film production. Hyun Ju and Geum are married with another child on the way. Sol attends Sun Jae's concert to reunite with him.
After admitting their feelings, Sol and Sun Jae cherish their time together. A misunderstanding leads to Kim's arrest. In Hyuk's band performs for the last time while trying to help him.
Confused Sol realizes she must save Seon Jae, though can't reveal the future. She attempts befriending him, facing difficulties as Tae Sung grows curious about her sudden change and Seon Jae is bothered by her abrupt appearance.
Seon Jae, a talented swimmer, wins gold but gets injured during practice. As he contemplates quitting, Sol tries supporting him, leading to a romantic confession.
A new attack leaves Sun Jae critically hurt. The changed timeline prompts Sol's time travel to his college as a student. Paths repeatedly cross despite her efforts to avoid him. Sun Jae gets a US rehab training opportunity.
Sol breaks up with Tae Seong thinking he dated her to avoid another girl. Sun Jae attempts to win Sol's heart. Sol tries preventing a future accident. Tae Seong ends up hospitalized after an accident where he encounters someone unexpected.