In this captivating young adult novel, two girls set out to unravel a mystery tied to the sea—and falls in love along the way. On New Year’s Day, three fishermen haul a teenage girl out of the sea. By the time they return to land, it’s clear that she doesn’t know where—or who—she is. Her story goes viral. The media calls her Nicoletta, after the fishermen’s boat. Sussex Police struggle to keep up with all the leads. They look into each one, but can’t link the girl to any of them.And with that, the mystery becomes a legend.Eighteen months later, Mara Malakar meets Nicoletta, or Nico, at a café. The two become fast friends, but as Mara realizes she wants more from their relationship, Nico remains oblivious, focused only on remembering. She may not want to, though. Could there be a reason she’s locked everything behind a door? And once she’s brave enough to open it, what will happen to her? To them?