The Secret To Not Drowning

How did the girl who once dreamed of being a Charlie's Angel become such a cowed and submissive woman? Marion's life appears perfectly fine but she is controlled and bullied by her husband, her only respite a once a week trip to the local swimming pool. A chance meeting with an old school-friend develops into a secret relationship. She could leave her abusive and unfaithful husband. But is it too late?