Only one week left until South Korea will go under sovereign default. Han Shi-Hyun is a leader of the monetary policy team at the Bank of Korea. and is assigned to a crisis team.

Suddenly learning she is terminally ill, Se-yeon asks her husband, Jin-bong the absurd task of helping her find her first love, and he unwillingly joins her search. Along their journey, Se-yeon and Jin-bong are reminded of the most glittering, beautiful moments of their lives.