One of the Good Guys by Araminta Hall

Two young women vanish in a seaside town. At the cliff's edge, nobody is who they seem.

Desperate to escape the ghosts of his failed marriage, Cole upends his life. He leaves London behind for a remote stretch of coast, relishing the respite from the noise, drama, and relentless careerism that curdled his relationship and mental health. Leonora has made the same move for similar reasons. She’s living a short walk from Cole’s seaside cottage, preparing for her latest art exhibition. Though Cole still can’t figure out what went wrong with his marriage, and Leonora is having trouble acclimating to the hostile landscape, the pair forges a connection on the eroding bluff they call home.

Then, two young women activists raising awareness about gendered violence disappear while passing through. Cole and Leonora find themselves in the middle of a police investigation and the resulting media firestorm when the world learns of what happened. And as the tension escalates alongside the search for the missing women, they quickly realize that they don’t know each other that well after all.