Detective Everett Backstrom and his team investigate when the apparent suicide of a senator's son turns out to be homocide.

Arson investigator Samantha Orland calls upon the Special Crimes Unit for help with a case that gets escalated to attempted murder when a serial arsonist's most recent fire involves a family. Although all evidence points to a local fire artist, Backstrom is positive their arsonist is someone they least suspect. The investigation takes a turn when the team discovers evidence missing from the crime scene and Backstrom suspects someone insides the investigation. Meanwhile, Backstrom gets tormented by childhood neighbors who stole something very special from him when he was younger and Valentine helps Niedermayer recover stolen evidence.

Backstrom and his team investigate when a youth pastor is found murdered at a church.

When the team investigates the murder of a drag queen blogger, Backstrom declares it a hate crime.

Backstrom and the team have three days to save a teen who was taken by an elusive online predator.

As Backstrom and the SCU investigate the murder of a fortune teller, secrets are revealed.

Backstrom and his team works with his estranged father to find a suspected eco-terrorist.

The team investigates when a hit-and-run leaves a wealthy woman dead.

The team investigates when a witness in a drug investigation escapes from rehab and ends up dead.

The S.C.U. investigates when a young female sex surrogate is found dead.

The investigation into a death at a performance art festival turns up several potential killers.

Valentine's abuser, Dante Trippi, is murdered and left on Backstrom's doorstep.

Backstrom must make a decision when he suspects his father knows about a meth dealer's activities.