Jeon Wonwoo, a most feared and dangerous mafia boss in the world, along with his family arranged a arranged marriage between you two.

While you, a normal college student, got into a marriage with him. You thought his family did it, but the truth was it's him, he paid your family millions of won to marry you secretly.

While you were sitting in the couch, you saw him get home, with blood stains on his suit.