Soon-to-be-wed Bae Seok-ryu returns to Korea and runs into her old friend Choi Seung-hyo; she acts strange around him, hiding a secret.

Even as her loved ones ask for an explanation, Seok-ryu hides her vulnerabilities until a confrontation with her mom forces Seung-hyo to come to her aid.

As Seok-ryu adjusts to unemployment, she faces anxiety about her stagnant life; Seung-hyo clashes with his partner after a tense business meeting.

When Seok-ryu's old company presents a promising opportunity, she and Seung-hyo collaborate; an unsettling encounter leaves Seok-ryu rattled.

Seung-hyo starts acting awkwardly around Seok-ryu as old feelings resurface; to complicate things further, he faces a delicate situation at work.

Seok-ryu explores a new career path, tapping into a childhood passion; her family faces a crisis when her father's secret comes to light.