Deranged

People binge eat and suffer from extreme thirst, which leads them to go crazy for water. They cannot control themselves because they are brainwashed by a parasite.

Deranged is a 2012 drama thriller movie directed by Jeong-woo Park, starring Kim Myung-min, Kim Dong-wan, Moon Jeong-Hee. It holds an IMDb rating of 6.3/10 from 3,555 votes and runs 1h 49m.