The team attempts to locate the terrorist group that killed 20 American sailors. Clay struggles to adjust to his new status as a guide.

When two NYPD traffic control officers are killed by bombs, The team understands that in fact they belonged to a secret police squad, And they're trying to find out who's behind the murders.

A girl who inspires character A-Islands murdered, And at the same time the i' software-Ai is out of control. The team is trying to find out who is behind the software.

Nell sends Sam to a meeting with an informant who intends to expose corruption in the Navy, Except that's where Hannah came across an assassination attempt on him and the informant.

The unit is looking for a gang of robbers who break into the homes of senior citizens, Robbing them, And then murders them. Hondo takes a day off to help an old friend search for his missing daughter.

SWAT team cooperates with Drug Enforcement Administration in gang raid. Hondo finds Hicks marks major milestone in his career.

The police recruit Lexi to infiltrate Cal's empire and she plays a dangerous game to keep her children safe, Until the secret of her past endangers her safety.

Jo is troubled by Lee's connection to Tasha. Pat suspects Joe of continuing to conduct her own independent investigation at the same time.