Clues as to where Serena might be are uncovered that could turn Boden's case around and Captain Patterson has news for everyone.

The firehouse is shocked to discover that one of their own becomes the surprising victim of a stabbing and an attempted suicide raises some questions.

When a rape victim winds up dead, her father decides to take justice into his own hands.

A dead teenager exposes a dangerous foundation where disenfranchised young women are brainwashed and used to clone babies.

Intelligence works to take down an opioid ring after the daughter of a prominent judge dies of an overdose.

Halstead puts his credibility and career on the line to help solve a case with ties to his new girlfriend.

DEA agent Drew Hogan learns about Mexican drug lord Joaquin "El Chapo" Guzman, the head of the Sinaloa cartel, who has been on the run since escaping prison in 2001.

A young woman finds out her boyfriend might have killed a college football player out of revenge.