Eleven years after high school, four friends' lives haven't turned out the way they wanted them to.

Choi Aera does a favor for an old classmate. Despite himself, Go Dongman ends up fighting again.

Aera is excited when an announcer position opens at her company. Baek Seolhee worries about her coworker liking Kim Jooman.

Dongman commits to returning to martial arts. Jooman and Seolhee fight over her treatment at work.

Aera begins to date Park Moobin despite misgivings. Coach Hwang Jangho advises Dongman against competing so early.

Aera gets closer to landing the announcer job. A party with Jooman’s family isn't fun for Seolhee.

Dongman feels guilty when he finds out what Coach Hwang is sacrificing for him. Aera discovers something shocking about Moobin.

Seolhee decides to handle Jang Yejin’s crush on Jooman herself. Aera and Dongman both progress toward their dreams.

Jooman and Seolhee's relationship begins to crumble. Park Hyeran goes out of her way to one-up Aera again.

Namil Villa gains a new tenant. Aera and Dongman go on their first date.

Seolhee reaches her breaking point with Jooman. Dongman attempts to connect with his father.

Jooman has a hard time adjusting to life without Seolhee. Dongman prepares for his match with Kim Taksoo despite Aera’s worries.

Aera chooses between two career paths. The day of Dongman and Taksoo’s fight arrives.

Dongman is torn between his dream and his relationship once again and faces a difficult decision.

All four friends deal with their separate situations and figure out what their futures will be.