An emergency call was received from a team drilling on a distant planet, and the aid team closest to the planet was directed to the call. When the team lands on the planet, it can't find anyone. They go to the base where the excavation team is staying, it is understood that something is wrong, they find blood marks, nail marks and a top dominated by brutality everywhere. The team goes to search of the place where the drilling work is being carried out and they find everyone at the top dead in a well almost here.
They want to drop one of the team into the well and investigate a body.
When the team member goes down, something goes wrong and
One of the corpses catches his leg and damages him. Our first team member gets the virus here and the fight against the epidemic begins.