Old wounds are stirred when a missing American tourist washes up on the notorious Dog Island. His body is half eaten and the people of Rabbit Fall are convinced the Weetigo?a creature who takes over humans' souls and turns them into cannibals?is back. The discovery coincides with the return of John Spence, a child killer who cannibalized his victim in one of Rabbit Fall's most haunting crimes. Fear morphs into frenzy and a group of vigilantes sets out to destroy the alleged Weetigo before he strikes again. The case spirals out of control when Tara brings Spence into protective custody.
Tara works the case of a young woman whose cause of death defies logic - the autopsy reveals her heart has been shredded yet there's no visible trauma to her body. The case grows even more disturbing when Tara discovers photos that cast suspicion on her partner Bob. Forensics links the latest victim to the murder of Gabriel and Tara realizes she has an innocent man-Johnny Redden-locked up and a murderer running free. The case explodes in gunfire and tragedy. Tara traces her birth mother to the town of Rabbit Fall.
When Medicine man Simon Blackhorse vanishes from the custody of Sergeant Martinsky, Tara leads the manhunt to the darkest part of the forest where she experiences her own terrifying paranormal event. A frightened Martinsky, unable to explain what happened, decides to leave Rabbit Fall and appoints Tara Acting Staff Sergeant. Can she uncover the mystery behind Simon and his powerful medicine?
Tara is taken hostage by a delusional hotel guest engaged in a bizarre argument with is dead wife. The scene grows even more frightening when the man turns his rage on Tara and she begins to feel herself slipping into the madness... Stanton, Bob and Ollie try desperately to save Tara and solve the mystery behind her captor's demonic behavior.
Tara becomes suspicious when her boyfriend Harley leaves abruptly in the middle of the night. When she discovers him and a friend with their car on a dark road and questions him about his smashed windshield, Harley claims they just hit a deer. However, when a local boy is reported missing the next morning, Tara knows there is more to the story. Her attempts to find the truth are hindered by a mysterious little girl from the past whose untimely appearance puts Tara's life in danger.
Tara and Zoe discover the body of a young girl in an area of the forest that Tara later discovers is a sacred site with dangerous supernatural powers. When Tara learns Simon Blackhorse sent the girl there for a traditional berry fast, she is determined to prove he is responsible for her death. Bob sets his sights on a more convenient suspect, a sex offender who just happens to be visiting Rabbit Fall.