Lee Shin-hee, who works as a waiter at a bar, works hard to pay off his father’s debt and cover his younger sibling’s hospital bills. However, the job doesn’t suit his personality, and he often makes mistakes.

One night, after finishing work, he stops by a convenience store to buy cigarettes and comes across a strange-looking marble. By accident, he breaks it — and in that moment, a goblin appears and drags him to an unknown place.

There, Shin-hee meets the goblin Oh Hwi, who calls him his bride and begins to show a mysterious, possessive interest in him…