On the island of Oh, where the pushy sun and troubling rains have been quiet too long, something is afoot. But what? A ghost? A murderer? A prankster with a can of paint? Whatever it is, it's leaving strange messages on Raoul Orlean's cottage about the disappearance of islander Rena Baker. Raoul's efforts to connect the painted dots—to decipher if Rena is alive or dead—lead him to the dusty tale of Dagmore Bowles, an eccentric sea captain who jumped to a watery death. As Raoul dives into the Captain's past, local police set their sights on Rena’s boyfriend, Madison Fuller: surely he’s killed her and tossed her body into the sea! As Madison’s murder trial runs amok, Raoul grapples with the riddle of Rena's whereabouts, and with the secret that she and Dagmore share. The writing on the wall points to both. But in a race against the slippery gears of island justice, Raoul worries he won’t spell out the answers in time.