After escaping from the zoo and coming to live with Patrick and his mum, Marco proves to have many talents. Now Patrick discovers that Marco is also a musical genius - he can play the trombone, banjo and even moonwalk like Michael Jackson! 'Let's start a band', Patrick says, and Marco becomes a star. Then disaster strikes. He is spotted without his mask and taken back to the zoo. How will Patrick and Mum get him out again?