Fat Charlie Nancy, a modest resident of London, is preparing for his wedding when he learns of the death of his unfortunate father. Always putting his son in an awkward position, he died as if in mockery: flirting with girls in a karaoke bar. From this moment on, Fat Charlie's life begins to unravel. To find himself again, he will have to turn to witches for help, go to the ends of the world, lose his bride and... sing?