Will Dormer, un veterano detective de Los Ángeles, viaja a un pequeño pueblo de Alaska con su compañero Hap para investigar el asesinato de una chica de 17 años. En Los Ángeles queda pendiente un oscuro asunto que les incumbe a los dos. Una vez en Alaska, entran en contacto con el principal sospechoso, Walter Finch, un novelista solitario.

Tom Ludlow, un veterano policía de Los Ángeles y recientemente viudo, se empieza a cuestionar la integridad moral y la lealtad de las personas que lo rodean después de que unas pruebas lo impliquen en el asesinato de un compañero.

Detectives Jonas and Erik are called to the midnight sun country of northern Norway to investigate a recent homicide, but their plan to arrest the killer goes awry, and Jonas mistakenly shoots Erik. The suspect escapes, and a frightened Jonas pins Erik's death on the fugitive. Jonas continues to pursue the killer as he seeks to protect himself; however, his mounting guilt and the omnipresent sun plague him with an insomnia that affects his sanity.

The partners are back and are in a tight spot! Francois is going through a moral crisis, and Rene is experiencing the same. But, honesty is not always the best policy. After being suspended for their actions, they return to face their far more crooked replacements.

Much to his disapproval, a wealthy man finds history repeating itself when his daughter falls in love with a poor boy, who also happens to be the son of a past enemy.

When his teenage son is shot by the Houston police following a stolen van chase, his father undertakes a tireless investigation into the truth and uncovers the fact that the gun found with the boy's body was a "throwdown," a weapon planted by the cops.

It's St. Valentine's Day. Cupid is having fun arranging, while a young devil is making mischief sabotaging, love affairs.