Molly is facing a new future. She hasn't worked for seven years - well, not technically, although as far as she's concerned looking after a demanding family bas been trial enough. And given her recent multi-tasking at home as nurse, chef and international peace negotiator, surely shed be a catch for any employer? After much persuasion, her ex-boss agrees to let her in on the filming of a documentary starring a cantankerous eighty-three-year-old actress called Florence Bird. As filming progresses Molly realises just how complicated life can be. But despite their differences Molly and Florence begin to forge a remarkable friendship - one that helps them both confront their fears and answer the all-important question, how long have you got?