Caroline Walker has it all. At 42, her immaculate looks and toned body are of a woman half her age. She's a successful entrepreneur, and juggles her career with domestic bliss: wife of City trading sensation Les Walker, and mother to their teenage daughter Rachel. But when Caroline learns that Les has been having an affair, her perfect world falls apart. Caroline is suddenly single - something she hasn't been in a very long time. With the help of Maryanne, her outgoing and ex-Hollywood starlet friend, Caroline's life is transformed into a glamorous social whirl as she discovers her missing twenties. And the young men she should have been dating then, too ... But is Caroline ready to put the past behind her? And can true love really strike twice?