While chasing a heroin supplier, CPD crosses paths with a convicted criminal recently released on a technicality. Halstead's history with the man threatens the team's ability to put him back in prison.
Beverly decides their street needs another stop sign and pleads her case to the city comptroller. Barry panics when he realizes he's neglected his college applications, but the situation only gets worse once Murray is involved. Meanwhile, Erica struggles with her career choice.
Teenagers find a woman's corpse while attending a party on the outskirts of the city; detectives quickly determine that the victim was strangled with her own shoelace, but they struggle to identify her.
Nev and NFL star Rashad Jennings help Deven find his mysterious online love, James; James won't videochat yet he invites Deven to fly across the country to meet him; hopeful for love but prepared for a trap, Deven needs answers.
International All Stars create outerwear from underwear by transforming corsets into runway looks; Rebecca Minkoff and Olivia Culpo guest judge.
In 1985, Will Sanders questions why the Red Cross may still be distributing tainted blood when safe heat-treated product is available. Margaret Sanders battles the prejudice surrounding AIDS. Lawrence Hartley and Paul Kirpatrick, both infected hemophiliacs, lead the charge for victims, while waiting on HIV test results for their wives. Peter Landry spirals out of control to Ben and Alice's dismay.
Scientists and amateurs conduct experiments and post their exploits online. Each episode counts down 20 popular Internet videos and explains the science behind them.
Appa and Umma unwittingly end up in marriage counseling. Jung learns more about Shannon's boyfriend than he bargained for. Janet debates whether or not to share a potential mentor with Gerald.
Sharon and Rob decide to get on a fitness drive. When Sharon visits her less-than- sympathetic local GP it dawns on her she's not in the peak condition she imagined.
Tyler asks out Rhylee on a date only to find out they have different plans for “their” future. Meanwhile, Ashton and Laura’s relationship grows stronger after their initial hiccups. The My Seanna crew welcomes the final Charter who look easy on paper but prove to be tough clients. While Drama unfolds between the charter guests, a spoiled Primary guest tests Kate’s limits.
Rebecca and the Big Three reckon with secrets Jack kept from them. Jack's Vietnam story continues to be revealed.
Alexis and Johnny hatch a plan to impress a motel reviewer, while David and Patrick search for a new apartment.
Dre’s teenage cousin Kyra needs a place to stay and the Johnsons decide to take her in, but they have different approaches to helping her adjust to suburban life. Meanwhile, Jack and Diane try to vet Kyra on social media to get information on her.
Callie’s love life heats up, especially after she reaches out to an old friend for some legal advice. Mariana’s attempt to get ahead at work has surprising consequences. Gael’s sister, Jazmin, reaches out to him for help.
During a battle with Cicada, Nora is severely injured. Due to Cicada's dampening powers, Nora's speed healing isn't working, leaving Barry and Iris scared for their daughter's future. Upset about his injured child, The Flash is filled with rage and confronts Cicada in a brutal battle. Meanwhile, Killer Frost keeps interfering with Caitlin's work on the cure.
Adam hits pause on the myth that connects video games to real-life violence, and reveals that Monopoly was a rip-off of an anti-capitalist teaching game. Plus, Olympic organizers get rich while athletes struggle to get by.
A mysterious, carved stone discovered at the money pit suggests an early Viking presence on Oak Island and at Smith's Cove, the team may have finally discovered the elusive Oak Island box drains.
The anniversary of Rosa’s death reignites tensions as the town takes aim at Liz and her father, Auturo, for what happened on that fateful day 10 years ago. Meanwhile, Max confronts Michael and Isobel, who are concerned that his feelings for Liz will expose their secret. Elsewhere, Master Sergeant Manes’ attempt to convince Kyle of the alien conspiracy in Roswell takes an unexpected turn. Finally, Liz and Kyle make a shocking revelation about Rosa’s death.
Lauren stops sleeping so she can avoid the forces in her dreams pushing her towards joining Andy and giving in to her dark side. Glow is in trouble after being shot by the Purifiers, and Blink convinces the Morlocks to let Caitlin save Glow. Meanwhile, Polaris learns the details of what Reeva is planning, and Reed helps Lauren fight off her dreams.