Terry 'The Taxman' Tempest, the greatest bank robber there ever was, whose true identity was never discovered, finds himself languishing in a dilapidated care home with only elderly confidence trickster Professor Humboldt Worth for company. When Terry and The Professor discover all is not right in the care home, the bickering pair are forced to put their differences aside, dust off their criminals skills, step onto the other side of the law and save the day.