Following the death of her husband, Holly Kennedy must navigate a year of profound loss guided by a series of letters he left behind to help her move forward. Holly struggles to reconcile her grief with the sudden absence of her partner, Gerry, who anticipated her despair and orchestrated a posthumous roadmap for her recovery. The narrative follows her through the physical and emotional constraints of widowhood, as she balances the pressure to restart her life with the lingering attachment to her past. The story unfolds through a linear progression, punctuated by the arrival of each letter, which serves as a catalyst for Holly to confront specific fears and memories.

This novel is widely recognized for its emotional resonance and its specific focus on the mechanics of grief within a romantic framework. Readers often highlight the unique premise of the posthumous letters as a device that grounds the narrative in both sorrow and hope. The work is frequently discussed in the context of contemporary romance, where it is noted for its accessible prose and its exploration of the enduring impact of a lost partner. The story maintains a consistent focus on the protagonist's internal evolution, which has solidified its standing as a prominent example of the genre.