Mina Park is a regular 22-year-old girl working as a cashier at a supermarket. A huge fan of Korean dramas featuring mafia themes, she dreams of finding a dramatic love, even though her life is rather mundane.
Leo Salvatore is a handsome and charismatic mafia boss known as the "Mafia Prince," with a fearsome reputation. Despite his intimidating exterior, he has a sweet side that captures Mina's heart.
Mina inadvertently becomes embroiled in a territorial dispute between two mafia groups while delivering food for a friend working at an upscale restaurant. She finds herself caught in the middle of a secret meeting and ends up posing as Leo Salvatore's fiancée to save herself.
