Dan, a photography student who is given an SLR camera to use for his thesis by his professor Aim. However, Dan finds out that it actually is a test of the devil, which he has no way to escape. His only choice is to obey it or fight back.
A plumber and his germaphobic son are forced to get their hands dirty to save the residents of an apartment building, when a genetically engineered blood-thirsty creature escapes into the plumbing system.
