Ryan's last letter implores Beckett to leave the military and care for his widowed sister, Ella, and her twin children. This promise becomes a driving force for Beckett as he grapples with survivor's guilt and the daunting task of filling the void left by his friend. He's torn between honoring Ryan's wish and figuring out his own path in life.

Both Beckett and Ella are struggling to cope with their grief, each in their own way. As they navigate their shared loss and learn to lean on each other, a powerful connection begins to blossom. However, their budding love is threatened by the shadow of Ryan's memory and the fear of moving on.

This story emphasizes the importance of family, both blood and found. Ella is fiercely independent, reluctant to accept Beckett's help. However, she slowly realizes the importance of leaning on loved ones in times of need. The novel beautifully portrays how love and support from family, whether biological or chosen, can help heal even the deepest wounds.