Gwendolyn and Estella have always been as close as sisters can be. Growing up in a wealthy, eminent, and sometimes deceitful family, they've relied on each other for support and confidence. But now Gwendolyn is lying in a coma, the sole survivor of Estella's poisoning of their whole clan. As Gwendolyn struggles to regain consciousness, she desperately retraces her memories, trying to uncover the moment that led to this shocking and brutal act. Was it their aunt's mysterious death at sea? Estella's unhappy marriage to a dangerously brutish man? Or were the shifting loyalties and unspoken resentments at the heart of their opulent world too much to bear? Can Gwendolyn, at last, confront the carefully buried mysteries in their family's past and the truth about who she and her sister really are?