Blue only wanted to clear his name, not hook a brooding detective, but when sparks fly hotter than a Portuguese summer, resisting temptation becomes the hardest puzzle to solve of all. Blue just wants to sell fish, flirt with the locals, and live a chill life by the sea. Sure, he’s a merman, but these days, no one cares about a little tail in their ancestry. That is, until a snobby millionaire drops dead after eating one of Blue’s sardines, and suddenly everyone’s looking at him like he’s serving murder on ice. Enter detective for the Portuguese Paranormal Police, a man who hasn’t smiled for two decades and has no patience for seafood puns—or for Blue’s sunshine-in-a-bottle personality. He’s here to solve a murder, not babysit a charming fishmonger with big eyes and a bigger mouth. But Blue is determined to clear his name, even if that means sticking to Rose like seaweed on a boat hull. As the investigation twists through ancient secrets, magical oddities, and supernatural politics, the two men are drawn together by more than just the mystery. Add in a ghostly white dog, a handful of eccentric locals, and a whole lot of unexpected chemistry, and you’ve got a case that just might end in love. Magic, murder, and mermen collide in this charming paranormal romance set on the cobbled streets of Portugal.