Craig Robert Young

After a vice admiral's laptop is infected with ransomware, he enlists the NCIS team to track down the hacker before the computer virus eliminates his files.

Danny and Chin Ho team up with NCIS agents Callen and Hanna when a suspect threatens to unleash a deadly virus on the population.

Callen and the team pull out all the stops to unravel the mystery surrounding Hetty's sudden disappearance.

The Special Projects team travels to Romania to search for Hetty. Meanwhile, Eric and Nell discover that Lauren Hunter, the Office of Special Projects' Operations Manager, is a member of the Comescus.

When Charlie's vividly surreal dreams lead him to believe Claire's baby is in danger, Locke suspects Charlie may be using drugs again. Meanwhile, Sawyer encourages Hurley to act on his attraction to Libby.