S4 E1 • Un Horrible Endroit pour Mourir

In Sheffield, Ala., 36-year-old Kimra Riley heads to a bar looking for fun but finds something far more sinister; later,. her body is found on the banks of the Tennessee River.

Première diffusion : 16 août 2016

S4 E2 • Submergée par les Eaux

A judge discovers the body of 22-year-old Misty Morse, bound and floating in the marshy waters of Florida's Indian River.

Première diffusion : 23 août 2016

S4 E3 • Le Monstre de la Rivière

When the torso of single mother Mary Stetson washes up along Manchester, NH’s Piscataquog River, police retrace her final steps. But every place along Mary’s path presents new mysteries, and people who aren’t as innocent as they first appear.

Première diffusion : 30 août 2016

S4 E4 • Au Fond du Canal

Jody Lynn Wolfe's body washes up on the banks of Dry Creek Canal in Fresno, Calif., and detectives learn more about the young teenager's life during the course of their investigation and realize her murder hits close to home.

Première diffusion : 6 septembre 2016

S4 E5 • Empreintes dans la Boue

Fifteen-year-old Linda Strait fails to return home after a trip to the store, then her body is found near the Spokane River, and detectives will spend the rest of their careers searching for Strait's killer.

Première diffusion : 20 septembre 2016

S4 E6 • Eau Sombre

After 53-year-old Barbara Hefner disappears from her Georgia residence, her body is found floating in nearby Folly Lake; during the investigation, police officers uncover a a recent inheritance and a secret affair.

Première diffusion : 27 septembre 2016

S4 E7 • Dans les Profondeurs

The body of 39-year-old Beverly Jackson is found in a car pulled from a Florida canal; the police explore the single mother's routine and relationships, but it will take the help of a hotline tipster to track down her killer.

Première diffusion : 4 octobre 2016

S4 E8 • Eaux Tumultueuses

After a baby is found abandoned along Ohio's Scioto River, police discover the child's mother has been murdered, and then they uncover secrets about someone in the young mother's past while investigating the case.

Première diffusion : 11 octobre 2016

S4 E9 • Les Apparences sont Trompeuses

Former beauty queen Jackie Johns' body is found floating in Missouri's Lake Springfield, and as officers pore over Johns' list of admirers, they soon discover the fine line between love and hate.

Première diffusion : 18 octobre 2016

S4 E10 • L'oasis de la Mort

Nineteen-year-old Raquel Rayas is found bleeding to death along California's Deep Creek Spillway, then she dies before detectives can learn anything from her, and they turn to a mysterious telephone number for help.

Première diffusion : 18 octobre 2016