They all loved each other like no one else would care for their siblings. They laughed, killed and fought all their problems together. How would they deal with a new member in the family when their only sister (Y/N) is uncomfortable around her.

Salvatore Smith meets a woman with whom he shared few nights after loosing his wife. It was 12 years ago, she was way younger than him, from a different country. He is a powerful man, Don of the American Mafia, leading his businesses with his 6 sons. What will happen when they find out that from that a little girl was born from that short relationship? -What is this thing? -She is your sister... -I guess you drank too much last night, we don't have a sister! -Now you have one...