Five famous faces embark on a road trip like no other when they board a magical mystery bus in the US, to explore the legalisation of marijuana. Birds of a Feather actress and Loose Women panellist Linda Robson, ex EastEnders actress Pam St Clement, actor Christopher Biggins, retired footballer and TV presenter John Fashanu and darts supremo Bobby George explore the use of marijuana for both medical and recreational purposes in US states where it is legal and meet people who have experienced both the benefits and the downsides.