One year after her family was in a tragic car accident that killed her teenage son, Lori Mendenhall returns home with a traumatic brain injury that has stolen the last eight years of memories from her. She is shocked to find that the life she was leading before the accident is unrecognizable. Her once-loving husband, Michael, is a distant workaholic she isn't sure she can trust and her once-bubbly daughter, Avery, has spent the last year hidden away in her room.For Avery, life stopped when she lost her twin. Now, if she wants to graduate high school, she'll have to accept help from Xander Dixon, her brother's best friend and the boy who relentlessly teased her for years. And if Lori wants to reconnect with her husband, she'll have to grapple with information her brain is trying to keep secret. With every memory that returns, she can't help but wonder if the life she can't remember is one she'd rather forget.