Renowned as the bravura front man of one of Britain's greatest rock bands, Freddie Mercury's life outside Queen is rarely celebrated or explored. In a touching portrait, Imagine… charts Mercury's solo projects and interests, including a previously unheard collaboration with Michael Jackson and the triumphant Barcelona project with Dame Montserrat Caballe, as well as the life of a gay man who was not yet publicly out. Featuring rare archive footage and interviews with bandmates Brian May and Roger Taylor, as well as friends and admirers including Paul Gambaccini, Montserrat Caballe and Matt Lucas.