Ben, a young boy, hates his granny and hates having to stay with her every Friday because his parents go to see a dancing show named Strictly Stars Dancing. He finds her boring and repetitive because his granny always feeds him cabbage.Ben loves plumbing and is a long-term subscriber to the magazine Plumbing Weekly, which he buys every week from Raj’s shop. Ben’s parents disapprove of him being a plumber though. But then Ben finds out that granny is an international jewel thief and then its a whole other story.

granny was planning to steal the crown jewels from the tower of London and then suddenly it became the highlight of Ben’s week because he was going on the heist with her.