Flora Blaire is a nineteen-year-old girl who finds it difficult to trust people easily. She was born into the cruel and bloody mafia world and is one of the best assassins in the underworld. She is a dangerous and confident girl who only opens up to people she trusts. Her enemy is Damon Hendrix. Damon Hendrix is also nineteen years old and is the son of the Italian mafia. He is a cruel, dominant, and well-respected man, and everyone in the underworld fears him, except Flora Blaire, who hates him to death. Flora and Damon used to be close friends with Jaiden and Emery, but their friendship broke after one mission that turned into a nightmare. Their parents later told them to marry each other and try to get along for a good reputation in the underworld, but little did they know that the marriage would make them hate each other even more. Why do Flora and Damon hate each other so much? What happened on the mission that caused their friendship to break? Will they be able to get along despite their hatred for each other?