Sean, the baby of the four black Irish Donnelly brothers takes a beating after his oldest drug addicted brother, Jimmy, kidnaps an Italian and holds him for ransom to pay off their other brother, Kevin's debt with an Italian bookie. Sean doesn't have a large part in the show but is shown as the cute charismatic brother who wants to be a part of his brothers' schemes and plots but is usually cast away onto a smaller sideline task to keep him safe.
Tommy is the responsible brother. He cleans up after his brothers' messes. This instance, in particular, changes Tommy from the sensitive art student to ruthless mob affiliate. He will do anything to protect his brothers and the ones he cares about. From this point, he will give up everything he loves for his brothers and to further the family business of crime.