French Stewart
Actor French Stewart poses for a photo on his Twitter account. Stewart will be a guest star on the upcoming episode of CBS' "NCIS." He will play the character Paul Triff, who is a convicted murderer in the show. @FrenchStewart/Twitter

The "NCIS" cast, including Mark Harmon (NCIS Special Agent Leroy Jethro Gibbs), Maria Bello (Special Agent Jacqueline "Jack" Sloane), Pauley Perrette (Abby Sciuto), Sean Murray (NCIS Special Agent Timothy McGee), Emily Wickersham (NCIS Special Agent Eleanor "Ellie" Bishop) and Wilmer Valderrama (Nicholas "Nick" Torres), will have an upcoming episode titled "Keep Your Enemies Closer." It will air in the US on Feb. 27. It will show Gibbs' team dealing with convicted murderer Paul Triff (French Stewart).

Spoiler alert: This article has additional 'NCIS' 2018 spoilers. Read on only if you want to know more about what happens in 'Keep Your Enemies Closer.'

A press release from CBS states that "NCIS" season 15, episode 15 will feature the Naval Criminal Investigative Service team striking a deal with Paul Triff, a convicted murderer. They will give him a 48-hour furlough at his old residence, which is now McGee's home. In exchange for this, he will give the team information that can convict his ex-cellmate, Gabriel Hicks (Graham Hamilton). Hicks was the murderer who fooled Tobias "T.C." Fornell (Joe Spano) and Gibbs in the past. Tom Wright directed this episode, which was written by Jennifer Corbett.

'Keep Your Enemies Closer' guest stars

The guest stars that will appear in this episode include Hilary Ward (Jessica Shaeffer), Fran Bennett (Mary Elaine Smith) and Stephanie Arcila (Danielle). They will be joined by the rest of the "NCIS" cast 2018, such as Duane Henry (MI6 Officer Clayton Reeves), David McCallum (Dr Donald "Ducky" Mallard), Brian Dietzen (Dr Jimmy Palmer) and Rocky Carroll (NCIS Director Leon Vance).

'NCIS' episodes: 'Keep Your Friends Close' and 'Handle With Care'

The episode prior to "Keep Your Enemies Closer" was "Keep Your Friends Close," which just aired on CBS on Tuesday. It showed Vance ordering Gibbs and his team to work with former Federal Bureau of Investigation (FBI) agent Fornell. Fornell is now a private investigator who was hired to locate a missing Navy commander. However, the commander's body has been found, and they needed to get to the bottom of the mystery. Plus, Torres and Bishop interviewed Albert Hathaway (Kevin Pollak), a convicted investment advisor. They found out that the victim was linked to Hathaway's highly publicised trial. Gina Lucita Monreal wrote "NCIS" season 15, episode 14, which was directed by Mark Horowitz.

"NCIS 15" airs on Tuesdays at 8:30 pm AEDT on Australia's Channel Ten. It also airs every Tuesday at 8-9 pm ET/PT in the US on CBS. The next episode after "Keep Your Enemies Closer" is "Handle With Care" and it airs in the US on March 6. Stay tuned for more "NCIS" spoilers.