While investigating a drug-related homicide, Intelligence is stonewalled by the 'no-snitch' culture of the neighborhood. And Atwater discovers a personal connection to the case. Meanwhile, the police's own code of silence is put to the test when Upton is asked about Ruzek's rough altercation with a suspect.

When a man claiming to have lost his memory wakes up behind a dumpster with a gun in his hand, McCall and the team follow a trail of clues to help uncover his whereabouts the night before.

Scott, Lydia and Malia search for clues about the Wild Hunt in a mysterious place called Cannan while Liam and and Hayden take drastic measures in the fight against the Ghost Riders.

After being pursued by Infected, a pregnant Anna places her trust in a lifelong friend. Years later, Ellie is forced to grapple with the emotional toll of her journey, while Joel faces a devastating decision of his own.

When three children disappear while riding their bikes on the same path as a similar unsolved disappearance 30 years ago, the BAU team comes in to investigate.

After an NSA analyst is found eaten by a shark, the team's investigation leads them to a cartel's money-laundering scheme and sends Callen into a mental asylum to find a key witness; Kensi struggles with her therapy.

Five-0 must free McGarrett's mother, Doris, when Catherine informs them that she was captured and is about to be executed after attempting to free Wo Fat's imprisoned father. Also, Chin loses his appeal to have Sara's adoption delayed, and she must move to Mexico.

MacGyver is tasked to go undercover as an inmate in a maximum security prison to break out El Noche, a notorious drug kingpin, using only batteries and salt, and track him to his cartel's secret location and dismantle it.

The powerful family of a retail empire closes ranks when a bartender accuses one of their own of rape.

The investigators attend the gala grand opening of a mob museum, only to witness an attempted hit on mob lawyer and former mayor Oscar Goodman.