Mary Jane begins a life cleanse; Cece blackmails Mary Jane; Patrick and Paul Sr. clash over custody of D'Asia.
Shine season is in full swing as Josh & Bill find themselves with no still, no home base and no shine. Mark & Digger enlist a whiskey legend to find out why their first run went awry. Mark, Jeff & Lance undertake construction on an ambitious still site.
Liv is called in on the case of a shop teacher who pursues criminals at night as a costumed vigilante... and turns up dead. Meanwhile, Major makes the acquaintance of a new zombie.
Baylor alumni Lori and Baron live in Houston, but want to purchase a second home in Waco with the hope that their 12-year-old son will continue the family's legacy. They are looking for a house full of character, but on budget.
After martial artist Carl Hunt suffers a fatal knife wound to the gut, his friends and neighbors fail to offer up any viable leads to Lt. Joe Kenda.
The death of a loved one leaves Carter and Max searching for the truth about those closest to them; and Elizabeth discovers an unlikely ally in her effort to protect her family.
Glenn goes on a scouting trip, while Jessie rushes to complete his fish wheel. Sue faces setbacks at her camp, and the Hailstones go on a hunt.
Patterson fills in for Boden, who's trying to clear his name. Severide learns where Serena may be hiding. Herrmann and Otis give Freddie a job that keeps him close by. Jimmy and Chili draw more attention then either bargained for.
The doctors treat victims of a movie-theater shooting as Sharon Goodwin tries to keep the press at bay. A teen with an eating disorder is treated, but Dr. Charles' methods rub others the wrong way. The staffers deal with a racist patient.
When Mark Mardon AKA The Weather Wizard returns to break Leonard Snart AKA Captain Cold and James Jesse AKA The Trickster out of Iron Heights, Barry must stop these rogues from taking over Central City during Christmas. Meanwhile, Joe and Iris meet Wally West.
Seven young adults with Down syndrome meet at a local recreation center and realize they have more in common than expected.
Kate is offered a deal by Nina and an M16 agent in modern-day Paris, to Martin's chagrin. Meanwhile, Ballard convinces the FBI to allow him to take down Martin; Ilyana is enlisted as an operative in 2001 Prague; and Terrence's secrets emerge.
Katherine Ryan comperes an evening of stand-up at London's Hammersmith Apollo, treating the audience to her own brand of humour and introducing routines by comedy circuit stars Henning Wehn and James Acaster
Team Scorpion goes undercover at a university to find a hacker who infiltrates the Federal Reserve and threatens to collapse the world economy.
Peggy and Ed agree to follow through with their plan at the Motor Motel, Lou faces jurisdictional politics and Hanzee reports back to the Gerhardts.
With Flynn on desk duty as he recovers from injuries, Sharon and the team investigate the murder of a fugitive diamond thief whose body was found by his bail bondsmen. Rusty is put in a tight spot when his relationship with Slider is discovered by Marianna's brother.
Lisa throws two huge parties for Gay Pride; James flaunts fresh love bites, and everyone wants to know who was responsible; Tom Sandoval and Tom Schwartz kick-start Shay's makeover; Jax seizes an opportunity to move in on Lala.
Somebody gets fired. Colin tries his hand at blackmail. Heather runs the tasting station. Things are tense between Sue and Linda, and hot between Gavin and Cheryl.