In 1846, Anthony Hope sails into London with the mysterious Sweeney Todd, a once-naive barber whose life and marriage was uprooted by a corrupt justice system. Todd confides in Nellie Lovett, the owner of a local meat pie shop, and the two become partners, as Todd swears revenge on those that have wronged him and decides to take up his old profession.

A skiving bin gang are on high alert when their new inspector takes an interest.