Liv and Finn meet six summers ago working in a bar on the rugged Cornish coastline, their futures full of promise. When a night of passion ends in devastating tragedy, they are bound together inextricably. But Finn’s life is in LA with his band, and Liv’s is in Cornwall with her family, so they make a promise. Finn will return every year, and if they are single they will spend the summer together. This summer, Liv crosses paths with Tom, a mysterious new arrival in her hometown. As the wildflowers and heather come into bloom, they find themselves falling for one another. For the first time, Liv can imagine a world where her heart isn’t broken every autumn. Now Liv must make an impossible choice. And when she discovers the shocking reason that Tom has left home, she’ll need to trust her heart even more.

Nell and Van meet as children when their parents fall in love. They become best friends and each other’s whole world. Then tragedy strikes, and Van is sent to the other side of the globe. Five years later, they find each other again. But they’re no longer children, and the bond between them smolders into flames. New feelings surprise them both. They are destined, soulmates. Until an untimely discovery tears them apart again. For the next two decades, fate brings Nell and Van together every five years, even as life and circumstance divide them. They will have to make a choice, but it’s bigger than their lives alone. Is it bigger than their love?