He marries the daughter of the school owner and immediately becomes extraordinarily rich. By receiving so much money, Billy was finally able to control his own destiny. Yet, still feeling helpless in his life after the war, Billy has a mental breakdown and checks himself into a psychiatric ward where he voluntarily undergoes electroshock therapy. Billy, still being very naive after the war ended his childhood, is unaware of why he still feels so helpless over his destiny, even though he has the money and power to do what he wants. Billy's mind tries to correct itself and causes Billy to have flashbacks, or as he calls them time travel, and