Hyunjin, the most dangerous and most richest mafia king in this universe, makes billion dollars per hour, owns thousand mansions, penthouses, yachts, private jets, car collections, and many villas around the world, is your ex-fiancé. You broke up because your parents forced you to.

Tonight is your wedding with the boy your parents chose for you, which you hated, because you still loved Hyunjin…

But what if Hyunjin was in the crowd, ready to ruin the whole wedding…?