After Becky's death and Sasha's mysterious heart transplant, Y/N Yazzie, Sasha's younger sister, begins to notice changes not just in Sasha-but in herself. Haunted by flickers of memories that aren't hers, Y/N finds herself drawn to Elliot Lefevre, Becky's grieving twin brother, despite knowing their families are entangled in something dark and unspoken. As they grow closer, their connection becomes a mix of romance and danger, as Y/N realizes she may be part of something far more twisted than she ever imagined.
After her husband dies in a car accident, Emma Haines-Gaunt is encouraged by her mother and sister to attend a therapy group for widows. Though reluctant to even give it a try, Emma finds herself in a church basement listening to heartbreaking stories of tragedy from her fellow therapy members. When she notices a mysterious man during the session, Emma is intrigued by him, only to realize it is her childhood friend and ex-love Aiden Hawthorne. Her mind spirals when she realizes he must have lost his spouse somewhere along the way. And try as she might, she can't seem to shake him from her brain. The two of them begin a harrowing journey of loss and redemption, determined to help each other find solace in the tragedy that their lives have become.