The pivotal catalyst of the story occurs when Morgan's husband Chris and her younger sister Jenny are killed in a car crash. In the hospital and through subsequent investigations, Morgan and Jonah uncover that Chris and Jenny were not simply traveling together—they were engaged in a secret, long-term romantic affair. Furthermore, questions arise concerning whether Jenny’s infant son, Elijah, was actually fathered by Chris rather than Jonah.
Determined to preserve Clara’s sacred memory of her father and aunt, Morgan keeps the affair completely secret. This decision backfires: Clara mistakes Morgan's cold emotional distance and lack of outward grieving as callousness. Clara begins rebelling, forming a romance with Miller and wrongfully accusing Morgan of being heartless and developing inappropriate feelings for Jonah.
The climax arrives when the compounded misunderstandings boil over, forcing Morgan to disclose the reality of Chris and Jenny's betrayal to Clara. Devastated, Clara also discovers that the text message she sent Jenny right before the crash was not the cause of the wreck (Chris had been driving). With the truth out in the open, the walls between mother and daughter crumble. In the resolution, Clara embraces her acting aspirations and commits to Miller, while Morgan allows herself to pursue her college education and openly embrace love with Jonah, finally finding peace free of guilt and past ghosts.