Happy-go-lucky, loveable Lucy (10) has decided to rob a bank. A few weeks ago, she wouldn’t even have jaywalked. But the ice cream machine broke down and without 30.000€ they will have to close the family-owned ice cream parlour. That calls for extreme measures!
Lucy convinces the school’s bad-boy, Tristan (11) to coach her: Operation “Lucyfer” covers various bad-guy disciplines such as stealing, lying, cheating, and bribing. Lucy’s training is so successful that her best buddy Rima (10) hardly recognizes her anymore – and is worried to death what the new Gangsta-Lucy might do...