Bo-na, knowing today is Tae-sung's family's memorial day, takes a half-day off and leaves early. She does her best, but her mother-in-law's berating continues. Misunderstandings build as Tae-sung helps her after work, leading to an unexpected turn. Meanwhile, Tae-sung begins investigating the suspicious death of a construction worker.

Eight years ago, in World Cup-feverish Seoul, Bo-na's team holds a Meeting hidden. In the same building, chasing a pickpocket, Tae-sung attacked, collapsing. Bo-na finds him, calls 119. Four months later, Tae-sung awakens, meets Bo-na, falls for her. Bo-na, exhausted by her 16-year mission, plans to quit.