Deranged (International English title) / Hairworm or Nematomorpha (literal titles)(연가시)is a July 5, 2012 Movie directed by Park Jung-Woo South Korea.
An epidemic of drownings, with victims jumping into the river causes panic around the country. The government declares a state of emergency. Medical supplies salesman Jae-Hyuk ( Kim Myung-Min ) suspects his family is showing symptoms of the drowning victims. Through his brother, Detective Jae-Pil ( Kim Dong-Wan ), Jae-Hyuk learns an antidote may be stored by at a warehouse.