With the Owl's identity revealed, Alec, Isabelle, and Clary head to Alicante to try and find a way to stop him. Luke and Simon team up to track Lilith's latest possible victim. Maia reflects on her past.
Strong emotions persist as Dorit and Teddi struggle to sort out a year of misunderstandings. Kyle reveals the devastating details of her house burglary last Christmas. Then, Camille Grammer joins the ladies and brings an unexpected gift for Andy. And Lisa Vanderpump finds herself in the hot seat when she defends her reaction to Dorit's betrayal.
Dallas teen track star Shania Gray is left traumatized after being raped while babysitting when a new social media friend offers support, she opens up to him, leading Shania into a trap that ends in tragedy.
Sara Carter begs Gibbs to investigate her mother's murder; she believes the wrong man was convicted; Abby is awarded a dinner reservation for two to a new five-star restaurant in an igloo and has to decide which co-worker deserves to go with her.
Unbeknownst to Shay, Tray was invited to her mother's funeral reception, much to her disapproval. Tray stands up for Shay when her family gives her a hard time about not being there in her mother's later years.
Sig takes heads off the grid on a daring midnight mission to shake his rivals. The Cornelia Marie pays the price for a rotten alliance, and an injured deckhand could force the boat in early. Keith gets big news from his doctor on a mystery illness.
Four blade smiths find the devil is in the details when they must combine two or more steels to forge J. Nielson's favorite blade, a Damascus European dagger. In a challenge where symmetry and precision can make or break a blade, two smiths produce knives that survive J.'s merciless tests. In the final round, they have five days to forge a fearsome pole weapon–the Zande Spear.
Octavia is forced to take guidance from an unlikely ally when the future of the bunker and all those inside it is jeopardized.
Bear Grylls arrives on the island eager to get the stories behind the castaways' class war and their often dubious survival strategies.
Bull's team takes on a seemingly unwinnable case; a mute man faces the death penalty if he's found guilty of murder and arson; Bull is stunned to learn that his ex-wife is remarrying.
Barry and Team Flash team up with Gypsy to try to thwart Thinker's plan. Meanwhile, Cisco and Gypsy have a heart to heart talk about their relationship.
After a shooting occurs during a block party, the staff is overrun with victims; Dr. Choi devises a new mass casualty plan; Dr. Manning struggles to stay focused when she realizes her son and nanny might have been at the scene.
Gwen defends a Frotteurist, meanwhile Charlie battles an unwinnable stash and cash drug case.
An American ghost town in the Amazon jungle, a secret Nazi base, and a deadly concrete fortress 866 miles long are mysterious deserted engineering projects, and new discoveries reveal how they were built and why they were abandoned.
Brian Bass rejoins the Gas Monkey crew as Richard plans to resurrect the iconic '92 Chevy 3500 Dually known as the "Krew Kut" in time to reveal it at the Lone Star Throwdown.
Rick is wheels up to Washington D.C. to go see one of the first ever Jeeps that was built to use in WWII. While he's in town, he stops by an antique book store to read up on an ancient alchemy book. Meanwhile, back in Vegas, a magic lantern image projector from the early 20th century has Chum seeing things in a whole different light. A fortune-telling gambling machine is, without a doubt, a great find for the shop. Will Chum see a purchase in his future? Later, by a stroke of luck, a pair of knickers that belonged to golfer Payne Stewart swing into the shop. Will Chum land in a hazard during negotiation, or will he land the shop in the green?
Conrad and Devon work tirelessly to save the life of Bradley, a fellow doctor who has fallen through the hospital skylight. As the team contemplates how and why he fell through in the first place, Dr. Bell looks back to when he benched Bradley for falling asleep during surgery. Amidst the madness, Mina is tasked with showing Chastain's new star cardiothoracic surgeon, Dr. AJ Austin, around the hospital, but is caught off-guard by his volatile personality. Meanwhile, Nic finds renewed enthusiasm when she uncovers an oncologist who used to work with Lane, but while paying him a visit, she fears that she's being followed.