"What do you fight for, and what do you live for?"
Cheol-su Kim, an ordinary office worker, finds himself on the brink of death after a sudden accident. In that moment, a mysterious being appears and offers him a contract in exchange for his life. However, Cheol-su firmly rejects the offer, following his conscience. Ultimately, the mysterious entity threatens his family. "If you want to save your family, accept the contract." With no other choice, Cheol-su reluctantly agrees to the deal. Forced into the contract, he gains unimaginable powers. But his new life turns out to be a curse rather than a blessing.
