 A mysterious creature is created from the medical waste from liposuction clinics. Yes it is a creature composed of ... FAT, roaming the sewer system of Chicago, in search of even more human fat to serve its insatiable appetite and it s not above killing to get a meal. Also O Malley s former partner, a fellow detective is wrongly charged with the murder of a police officer, who was actually killed by the monster. O Malley swears he will find a way to clear his friend s name.