"NCIS" season 14 newest episode is considered to be a big one. The forthcoming episode 21 titled "One Book, Two Covers" will focus its storyline on Nick Torres played by Wilmer Valderrama.

As per TV Guide, the upcoming episode will center on Torres' character as he relies on old notes and contacts about a certain Marine's murder which will be linked to a former dirt bike gang that he used to join for an undercover procedure.

Episode 21 promo also revealed that Torres will be forced to make use of his skills in order for his job to be done. The case that he will be working on will also uncover the two usual identities that Torres used to take on. At times, he often listens to the beat of his own drum and does things in his own way. There are also times when he follows how the team normally works.

Further, this episode will also tackle about trust issues. There will be scenes wherein Gibbs will be forced to confront him inside a trapped elevator. Gibbs aims to make sure that Torres definitely knows what he is up to, Cartermatt reported.

"One Book, Two Covers" is also an episode wherein the characters will face more internal conflict than usual. Oftentimes, the team faces trouble on the scene but they still end up sympathizing with each other. Viewers need to prepare since this episode will be a different one.

The episode title also fits into the character of Torres in "NCIS." He will be seen taking two personalities at a time and eventually, he will face several drawbacks for doing so. It is also expected that the "NCIS" unit will become more unified by the end of episode 21. Watch out as the story unfolds. The series returns on April 18, Tuesday on CBS.