Dex goes undercover as a high school substitute teacher after an old classmate of hers enlists her help to find out who planted drugs on her daughter. Meanwhile, Dex and…

Dex is confronted with unresolved feelings from her past when she is hired by Sue Lynn to investigate a case with the widow of Dex’s former flame. Meanwhile, Dex and…

When Dex’s ex Fiona, a famous musician, comes into town for a performance, Dex must protect her from a stalker. Meanwhile, Grey continues to receive the cold shoulder from Dex,…

Dex goes undercover after she is hired by a local politician to dig up dirt on his political opponent. Meanwhile, Grey and Liz’s romance continues, and Dex celebrates a tense…

Rebecca is hiding a big secret from Paula, which begins to affect their friendship. Josh and Greg switch roles when Josh makes a discovery that angers him, while Greg is…

Murtaugh and Riggs respond to a robbery that takes place 20,000 feet in the air. The investigation turns into an ongoing hunt for an unreliable father, with his daughter being…

While Danny’s mother is questioned by the FBI, McGarrett partners with a young man with autism who may have information to help solve the murder of his only friend.

After encouraging her sister to spend a night out with friends, Burgess wakes to find that Nicole never made it home. As the guilt begins to eat at Burgess, the…

Voight calls the team to investigate a homicide involving the only witness in a rape and murder case against an extremely young man, Oliver Tuxhor. Intelligence looks into Tuxhorn’s family…

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…

The death of Judge Tommy Wells’ daughter puts Intelligence on the track of a pill mill spreading into the suburbs of Chicago and the doctor enabling it. Meanwhile, Voight discovers…