If you woke up naked in the arms of your kidnappers and understood from their conversation that they were heading to the seashore... Do you think you have an extravagant admirer? No, there is no smell of romance here, it seems they decided to drown you... Successfully posing as a cold corpse, Nina tried to examine the villains. Yes, this is her beloved Nikita! And with him is some unknown lady, hiding her face in a scarf. This means that, after all, the guy was turned by Nina’s money, which she inherited from her grandfather, and not by her charms. And if she had not woken up on the way, she would have soon found herself at the bottom of the sea. But the insidious hubby and his accomplice didn’t take it into account - Nina spent her childhood by the sea and swims no worse than a dolphin. And the writer Nikolai, secluded on a tiny island, certainly did not expect that the waves would bring him not only a beautiful mermaid, but also the plot of a real, uninvented detective story...