Jack, an unappreciated American writer in his sixties, comes to the off-season peninsula of Hel in the north of Poland and isolates himself to write a script. He meets Kail, a local who earns money by making lie-detector tests. Jack doesn't find any inspiration until some tourists mysteriously disappear - one of them found dead with his tongue cut off. Kail, persuaded by his friend Mila that Jack is the murderer, begins an investigation. The truth turns out to be more twisted when he discovers that Jack is writing about him.

One dark night, at water's edge, a family of musicians encounter aquatic sirens Silver and Golden. After assuring the family that they won't eat them up, the winsome sirens are recruited to join the Figs and Dates band at a neon-lit Warsaw dance club. When Silver becomes romantically entangled with beautiful blonde bassist Mietek, the more cunning Golden, who cannot escape her bloodthirsty nature, worries that her sister's relationship will doom their shared dream of swimming to a new life in America. Written by Anonymous

Upon arriving at Warsaw, Marcin, a young mysterious stranger from afar, enters the lives of hedonistic Ola and her liberal well-off parents. He's got a secret plan and just waits for a convenient moment to make it happen.