He proposed. She accepted. He changed his mind. She was heartbroken. Gilly Brown now finds herself alone in London with only her little dog Ruskin for company. It's time to move on. On a friends advice, she looks for a lodger, a Monday to Friday one, and eventually finds just the right man - Jack Baker, a handsome reality TV producer. The extra cash is great, but she'd be lying if she said she didn't enjoy his company too. Friends and family see Jack as the perfect tonic for Gilly, except for Guy, the newest recruit in her dog-walking group. What does he see and why does he feel it so strongly? What exactly does Jack get up to at the weekends?