Team Scorpion try to save a boy on Christmas Eve when he gets trapped in a beach-side cave and the rising tide threatens to drown him.
Three convicts break out of prison and the investigation reveals that one of the escapees is a brilliant hacker who is being forced to help the other two steal billions of dollars online. Meanwhile, Paige tries to manage expectations for Ralph when his father returns.moreless
The aftermath of the Erich Blunt verdict finds the department probing a new death swirling around a drug-addled socialite and her husband. Meanwhile, it's discovered that witnesses from the Kevin Neyers case have recanted their original statements.moreless
Six months has passed and Erich Blunt goes on trial for the murder of Cindy Strauss. While Terry makes a decision to atone for his behavior, Hildy hooks up with his ex-husband, Mike, with the lure of renewing their romance.moreless
Erich takes Ivana and runs off for a drug-fueled weekend, even though his lawyer advises against it. While Hildy deals with the ramifications of the shooting and the possibility that she might lose her job, Terry does his best to get her out of trouble.moreless
Callie worries about her future and Jude after she encounters her father. Jesus tries to stay focused without his ADHD medication, and Mariana gets an invitation from Zac's mother. Lena and Stef make a big decision.moreless
With a new RV the family plans to spend more time together as Molly gets closer to her mother. Miguel and Lisette discover something about one of Demetrio's teachers.
Suspicions come up when the son of Sean's old associate commits suicide. A killer targeting family members of former Secret Service agents folds into King and Maxwell's investigation.
It seems every gang member in the basin will show up for a drug lord's funeral, and the officers must deal with the resulting free-for-all on the streets. Ben Sherman makes the decision for Sammy Bryant about the tape, but does not expect the results the decision brings. Lydia Adams and Ruben Robinson work the murder of Sgt. Hill's son, but disagree on how to handle the evidence that incriminates another officer. Elsewhere, John Cooper's isolation feeds his depression.moreless
John Cooper's new boot, an Afghanistan war veteran, rubs him the wrong way. Lydia Adams grapples for the perfect balance of work and parent responsibilities. Elsewhere, Sammy Bryant files for custody against Tammi, and Ben Sherman hooks up with a new cop who has a dangerous attitude.moreless
The tables are turned when Sheriff Lamb must protect Savino after Milwaukee puts out a hit on the mobster.
Hank goes back to investigate a closed case he handled of a murderer sentenced for execution who claimed that he acted in self-defense when a monster attacked him. Meanwhile, Monroe has an unusual situation come up at the spice shop.moreless
An cold case unsolved for twenty years about the disappearance of a young boy suddenly heats up again when the main suspect in that long ago crime is found dead.
Savino and the local Milwaukee mob both set their sights on acquiring the Tumbleweed Casino which brings out a taste of the real Vegas heat. Sheriff Lamb's investigation into the hit-and-run killing of a casino maid reveals an unlikely connection to one of the town's wealthiest businessmen.moreless
Mike and Lydia work to get the methylamine delivered for the operation. Walt and Jesse try to work through several ideas to keep undercover.
Peter is asked to defend a high profile judge after facing arrest due to an affair with a lawyer. Peter is closer to falling in love with Janie. Meanwhile Karp defends a friend from college and who has to prove his sexual orientation so he can keep his trophy.moreless
Long buried family secrets come to the surface after a man and his horses are killed in a barn fire.
Officer Jessica Tang prepares for her last day on patrol before she transfers to another precinct as sergeant, but she needs to deal with unresolved issues on her beat first. Ben Sherman and Danny Ferguson are partnered together as Sammy Bryant recovers from his injuries, but Ben wants to spend his time helping the prostitute and her daughter get away from the abusive pimp who is controlling their lives. Meanwhile, Lydia Adams makes a decision about her police duties during the rest of her pregnancy.moreless
Lydia and Ruben investigate the death of a young nanny that appears to be a suicide, but first they have to find the children who had been in her care. Ben makes matters worse when he tries to intervene in the life of a prostitute with a 13-year-old daughter who is about to follow her mother's career path. Jessica Tang gets good news about the boy she shot, but Cooper still believes she should admit what really happened.moreless
A young man who had been scheduled to testify in one of Sammy Bryant's cases is killed as John Cooper and Jessica Tang are assigned to ride along with a documentary film crew. Det. Fernandez assigns Lydia to work as a field supervisor because the flu has created a shortage in officers on the street.moreless
Cooper tries to save a suicidal teenager who's in a situation that affects him personally. There are serious consequences when Sammy tries to convince a former addict to be an informant. Jessica Tang has a visitor from someone in her past as Lydia and Ruben investigate a possible home invasion that appears to have been staged to cover up a murder.moreless
Detective Lydia Adams is assigned a new partner, Ruben Robinson, a former Marine, as she confronts a former confidential informant. Officer John Cooper's successful back surgery allows him to return to the job after his treatment for drug addiction. Cooper learns he has been teamed with a new partner, Jessica Tang. No longer a trainee, Officer Ben Sherman is partnered with Sammy Bryant, who continues to struggle with the loss of Nate Moretta.moreless
Castle and Beckett are after a murder suspect who's roaming the city in a Superhero costume. They think he's behind the killing of an ex-con, but it's a race to identify and catch him before he kills again.moreless
When a violent criminal with a history of torturing women escapes from prison, The Breakout Kings are called upon to bring him in.