'Funny, warm and insightful.' Dorothy Koomson, bestselling author"I just need to know...which one of you slept with my husband?" You know that "till death do us part" bit in the wedding vows? Well, Zoe Danton believed it. One month after she said "I do", the man she loved is gone, given his marching orders after Zoe discovered a devastating secret. As teenagers facing a crushing loss, Zoe made a pact with her three sisters to stick together no matter what. Now she's discovered that one of them may have been the reason her husband betrayed her. She's lost her happy-ever-after, but has she lost a sister too?