Hyowoon transferred to a rural school under pressure, meets Seon-hong, a bright and cheerful girl who's the complete opposite of himself. Like all awkward first loves, Hyowoon and Seon-hong become everything to each other.

But one day, Seon-hong disappears like smoke.
Thus their first love at eighteen comes to an abrupt end.

Ten years later, Seon-hong unexpectedly cross paths again at a blind date with Hyowoon where she attended in someone else's place.

Feeling betrayed and a desire for revenge, Hyowoon makes a cold proposal to the person who abandoned him.

"Have you tried to think about it? Ten million won for one night."

Can the broken pieces of their love ever be put back together?