On Tonight

When a mother of five is found dead in her bedroom, her family believes a crazed killer is to blame.

After a deadly warehouse fire that left Olinsky's daughter fighting for her life, intelligence mobilizes to find the arsonist.

A hiker leads intelligence to a young woman being held captive in the woods outside Chicago.

The death of a notorious crime videographer unearths the wrongdoings of a wealthy family.

A four year old student makes claims of sexual abuse against a singing coach.

A military officer who was gang raped refuses to cooperate.

An arsonist takes notice of Severide as new red tape causes big changes in the department.

The threat of an arsonist with a vendetta against the firehouse looms and casey struggles with the repercussions of heather Darden’s accident.

Police suspect a serial killer when two women and their teenage daughters are murdered in Maryland.

A woman seeks the truth when her whirlwind romance turns into a mystery with government agents, cryptic messages and international spies.