the story is about sweeney todd, who was first named benjamin barker. todd comes back from the prison camps in australia, where he was sent for fifteen years on false charges by a judge named turpin. he then learns from a lonely pie-maker known as mrs. lovett that his wife poisoned herself after being raped by judge turpin. he also finds out that the judge is keeping his daughter. todd decides to take revenge. sweeney and mrs lovett become partners in a plan that ends in murder, and increasing business for lovett's pie shop,