Rainy summer evening - young people are arriving at the new trendy club named Phobos which is still under construction or re-construction - since it's a former bomb shelter which is reconstructed to become a club. At first, the partiers sees nothing wrong, but soon the bunker doors turn out to be locked, and the teenagers get trapped underground without light and communication. None of them realize how dangerous their situation is. All of them will need to cope with their fears before the bunker will let them free.
Two tv-spots:
And 5 minutes of footage from the movie, probably from the beginning. I think producers made mistake by posting it, because it's just talk-n-walk: