The moment they believe all hope is lost is the moment something real finally begins. Penny Wright has loved her brother's best friend Mason for years, but she's only been sleeping with him for one. Mason is in her bed one night and in the arms of someone else the next, but no matter how hard Penny tries to pretend it's all in fun, this secret, non-relationship is tearing her apart. She's trying her best to be flexible, but let's face it...