Directorial debut duo Katia Priwieziencew and Paul Tarasiewicz. Starring Marcin Kowalczyk, that unforgettable Magician of "You Are God" and recently Tryton of "Daughters of a dance" - Best Debut of the 40th Film Festival in Gdynia. In August 2015 "Helium" won an award at international film fairs Carpathian Golden Prize for the best project. He was also in the select company of films shown at 31. Warsaw Film Festival.

In mysterious circumstances, it is murdered three young tourists. Caveman combines a young boy Kaila (Marcin Kowalczyk) and Mile (played by newcomer, Margaret Krukowska), a stripper at a local bar. The main suspect is an American writer Jack (Philip Lenkowsky), who came to the Polish writing a new script. Soon the investigation will reveal dark secrets, hidden in a small, cut off from the world and seemingly calm Hel peninsula.