Carter uncovers a shocking truth after someone close to her is murdered. In the midst of legal battles, David and Elizabeth petition for temporary custody of Ben.
Concerns are raised about Elena's behavior after she has an altercation with Rachel Angel wants to take his relationship with girlfriend Cristina to the next level Sean's parents realize their son is ready to become more independent.
Weeks into moonshine season, Josh & Bill race to finish their still site and make their first run. Intruders interrupt Mark & Digger's rye test. A deadly disaster leaves Tim rattled and rethinking his plans to expand.
A Denver-based business specializing in high-quality skateboards struggles with employee turnover. If Marcus can't get the owner to focus on his people and also expand his product line, his shot at a deal will skate away.
When Agent Casey Rooks and his SWAT team skim NZT pills for themselves from the recovery of stolen inventory, it starts an internal investigation that is viewed through the shifting perspectives of Brians immediate circle at the FBI.
After a shocking turn of events, Carter must decide how she feels about Jared. Ben must pay the price for his past misdeeds, and Bird deals with a personal crisis in the aftermath of a loved ones death.
Mary Jane goes on a date with GG and is put on the spot David's mom has a heart-to-heart with MJ Kara finds herself in hot water at work.
Away from the police force, Luther receives a visit from Detective Chief Inspector Theo Bloom and Detective Sergeant Emma Lane. They bring him some new evidence that will draw him back to London to find the truth. The team tracks a cannibalistic serial killer.
After Ducky is attacked by a man claiming to have information about his half-brother who died decades ago, the NCIS team searches for the perpetrator, as Ducky recalls the final emotional days he had with his sibling. Also, with the holidays approaching, Bishop and Jake discuss the future of their relationship.
A professional baseball pitcher's daughter goes missing, and the Major Crimes team's investigation leads them to the very limits of the justice system. Rusty is put in an extremely awkward position as Slider approaches the last phase of his trial.
Brian panics when Margaret spots an unwelcomed guest on the shop floor. Meanwhile, a much-in-love Gavin begins to worry that Cheryl isn't what she seems.
A treasure hunt is held to celebrate years of Valco value. Meanwhile, despite his best efforts, Gavin can't avoid confronting his and Cheryl's situation.
In the outer solar system near Saturn, James Holden and the crew of the ice-freighter Canterbury, investigate a distress call from a mysterious derelict ship, the Scopuli. On Ceres Station, Detective Miller begins an off the book investigation of a missing heiress, Julie Mao.
Jane and Rafael are still at odds with each other as they are about to celebrate Mateo's first Christmas. Jane discovers that the scholarship she thought she had been awarded isn't quite that and now needs to find a way to pay for grad school. Rogelio has employed an intern and is having trouble trusting him. Petra is struggling with the latest dilemma her mother has gotten them into. Meanwhile, Michael is trying to find Luisa's mother who he now suspects is not dead and may be involved with Sin Rostro.
Russell Kane comperes an evening of stand-up at London's Hammersmith Apollo, treating the audience to his own brand of humour and introducing routines by comedy circuit stars Roisin Conaty and Nick Helm.
Lisa treats a group of underprivileged kids to the full SUR experience, including a serving of bad behavior from her staff. Jax stands up for Kristen when her break up with James turns ugly. Ariana's mood sours when Sandoval contemplates going to Vegas without her, Schwartz and Sandoval fail to impress with their business plan, and Jax asks Brittany to move in with him.
Team Scorpion must stop a catastrophe on Christmas Eve when heavy rain creates a large crack in a dam, putting an entire town in danger.
Talia finds out that Jayden is a SpiceMaster, and he pretends he isn't, but later admits he is. At the school dance, Debbie performs badly and gets booed, so Talia, Valerie and Rudy help her. Afterwards, they try to prevent the guests from eating empanadas Jayden put his spices in, but some eat them and make mischief. Talia and Debbie go to Jayden and Michael's food truck to make an antitdote, which they feed to the guests. Talia and Tyson have more special moments when they dance togther at the dance, then walk home togther however, for the third time, Dolores throws water on them when they are about to share another kiss. Later, Julie blames Talia's absence as the cause for the investor threatening to pull out of Lola's.