Beloved #1 Sunday Times bestselling author of It Ends with Us returns with an unforgettable love story between a writer and his unexpected muse. Fallon meets Ben, an aspiring novelist, the day before her scheduled cross-country move. Their untimely attraction leads them to spend Fallon's last day in Los Angeles together, and her eventful life becomes the creative inspiration Ben has always sought for his novel.

Over time and amidst the various relationships and tribulations of their own separate lives, they continue to meet on the same date every year. Until one day Fallon becomes unsure if Ben has been telling her the truth or fabricating a perfect reality for the sake of the ultimate plot twist. Can Ben's relationship with Fallon-and simultaneously his novel-be considered a love story if it ends in heartbreak?