The group of extreme lovers goes to the lake, in the middle of which there is a remote island with a steep mountain summit. Guys love exciting adventures, and believe that this trip will also succeed. Arriving at the destination, the guys notice an abandoned laboratory, which is surrounded by barbed wire. Surprisingly, the building is not on any cards. Travelers enter the room to inspect it. It turns out this room is designed to conduct experiments on the hybridization of reptiles, and it is obvious that some animals created are nearby. Will mountain lovers be able to cope with bloodthirsty reptiles and return home alive?