Angelo Lesca. The young Capo, as they called him. He was powerful in his line of work. He kept some friends, but more girls. He wouldn't admit that his high school sweetheart, the love his life, was the reason of his cold hearted power. But then, a young girl named Mercury shows up at his apartment, during a storm, claiming to need his help. She was the girl at his door.

Young, innocent and always well-organized Hailie Monet under sad circumstances finds out about the existence of her five older, disgustingly rich, possessive and spoiled brothers. When she's forced to live with them, she discovers that their life is full of dangerous secrets which they are going to do their best to hide, especially from their little sister.