Common-type aquatic leeches grow to large size after feeding on steroid-laced blood of a number of college endurance swimmers, and then the nasty creatures lay siege to the entire campus for more.

Angela's sister wants to get revenge upon her, inviting her to mystery farm along with her old friends, to participate in a game with fake blood and knives - but Angela and her disturbed boyfriend Charlie were not supposed to know about the fake part. But what starts as a little friendly game, gets dark and bloody with real deaths - and sure, real blood and knives. Written by Guilherme Martins manuelgm@zaz.com.br