Ten-year-old Johnny has had his treasured possessions, his computer, television and CD player, confiscated by his parents for his various misdemeanours. It is his half-term holiday and he resolves to do a good deed every day in order to persuade his parents to give him back his belongings. Unfortunately, his enthusiastic endeavours go disastrously, and sometimes hilariously, wrong. Johnny's intentions are always good but, no matter how hard he tries, he manages to upset the adults in his life, especially his mother's friend, the prim and proper Mrs Bridges. However, on the final day an opportunity arises that could change things for Johnny...