Since her husband walked out, Louise has made her son her world, supporting them both with her part-time job. But all that changes when she meets. Young, successful and charming – Louise cannot believe a man like him would look at her twice let alone be attracted to her. But that all comes to a grinding halt when she meets his wife. Beautiful, elegant and sweet – Louise’s new friend seems perfect in every way. As she becomes obsessed by this flawless couple, entangled in the intricate web of their marriage, they each, in turn, reach out to her.