"How Sweet It Is" is about an alcoholic theater owner who produces a successful musical to pay off his mob debt, but problems arise when the wise guys cast people that owe them money. This hilarious musical comedy focuses on the life of Jack a down-on-his-luck, alcoholic theater owner. He is in danger of losing his life because he owes money to the mob. However, Jack has one last chance to save his life and his legendary musical theater. It all hinges on his new musical production called "How Sweet It Is," which must have a strong opening. This might not be a problem, but the mob boss fancies himself a casting director and insists on a cast of deadbeats and criminals that owe him money. Jack doesn't have a choice but to go along with the plan. The movie has a happy ending!