Just before New Year’s, a hockey mom is gunned down at her front door. Later that night, seven more bodies are found in another suburban home.

Ben winds up in a patrol unit alone for the first time. Among the cases he has to handle on his own are a missing girl and a suspected stalking case

Lydia and her new partner, Ray Suarez, arrive in Compton, where a young USC student was murdered

Nikita decides Division should take on a government mission in Paris. Alex and Birkhoff are shocked when they come across a secret so big it could blow up Division -- literally.

Riggs and Murtaugh are led into the underground mob world as they investigate a hospital murder. Meanwhile, Murtaugh learns Riana is secretly dating his neighbour and nemesis' son, Riggs spends time with his childhood friend, Molly, and Scorsese's real name is revealed.

The LAPD and FBI argue over jurisdiction with Fritz divided.

The body of a woman from an old case shows up in a morgue.

The team delves into the surprisingly cutthroat world of academics in a case involving a graduate student at a natural history museum.

Nikita decides Division should take on a government mission in Paris. Alex and Birkhoff are shocked when they come across a secret so big it could blow up Division -- literally.

Emery and Joe are back in town, sending Stabler on a wild goose chase of false leads; playing both sides eventually catches up with Joe; Stabler and Emery end up being one step ahead of him, sending Joe closer to a fatal endgame.

Riggs and Murtaugh are led into the underground mob world as they investigate a hospital murder. Meanwhile, Murtaugh learns Riana is secretly dating his neighbour and nemesis' son, Riggs spends time with his childhood friend, Molly, and Scorsese's real name is revealed.

The body of a woman from an old case shows up in a morgue.

The team delves into the surprisingly cutthroat world of academics in a case involving a graduate student at a natural history museum.

Nikita decides Division should take on a government mission in Paris. Alex and Birkhoff are shocked when they come across a secret so big it could blow up Division -- literally.

While investigating a triple homicide, Lydia and Rene realize they have very different styles of detective work; And Ben confronts John about his reliance on pain pills.

Ben winds up in a patrol unit alone for the first time. Among the cases he has to handle on his own are a missing girl and a suspected stalking case

Lydia and her new partner, Ray Suarez, arrive in Compton, where a young USC student was murdered

Riggs and Murtaugh are led into the underground mob world as they investigate a hospital murder. Meanwhile, Murtaugh learns Riana is secretly dating his neighbour and nemesis' son, Riggs spends time with his childhood friend, Molly, and Scorsese's real name is revealed.

Emery and Joe are back in town, sending Stabler on a wild goose chase of false leads; playing both sides eventually catches up with Joe; Stabler and Emery end up being one step ahead of him, sending Joe closer to a fatal endgame.

The team delves into the surprisingly cutthroat world of academics in a case involving a graduate student at a natural history museum.

Nikita decides Division should take on a government mission in Paris. Alex and Birkhoff are shocked when they come across a secret so big it could blow up Division -- literally.

TikTok stars Mahek and Ansreen Bukhari are the UK’s first mother and daughter convicted of double murder.

Severide investigates an old house fire from 10 years back in which Kidd had responded. Carver and Violet search for a mystery medic who abandoned a victim. Novak looks for a roommate.

With the crew stretched thin, a performance efficiency expert evaluates Firehouse 51. Kidd and Severide bond with the mother of the baby they hope to adopt.

Gene Lord - youngest son of a South London criminal family - and his fearless fiancée, Cindy, are forced to flee 1980s London. On the Costa del Sol, Gene's Uncle Tony has a get-rich plan, but dangerous enemies are circling.

It's six months later, and the whole world is watching as tech genius Erich Blunt is put on trial for the murder of his flight attendant, Cindy Strauss.