Alessia Morrow arrives on the island of Kal mnos with two bags, a broken engagement, and a strict policy of not thinking about any of it. She has a Byzantine shipwreck to excavate, a career to rebuild, and a very organised system for keeping her feelings at a professional distance.
The system does not survive the dock.
Because standing there - hands in pockets, talking to the harbour master with the unhurried ease of someone who belongs - is Dr. Elia Vassos. The man who destroyed her research at a conference three years ago with two sentences. The man she has spent three years making into someone easier to be angry at.
They will share a site. A house. A kitchen table at midnight. A storm that lasts four days and leaves them somewhere neither of them planned to be.
Fourteen hundred metres below the surface, a merchant ship named Thalassa Philos - the Sea-Friend - has been waiting since the third century to be found. Someone came back for it, across four centuries. Again and again, people returned.
Maybe there is something to be learned from that.