In "NCIS' Season 12 episode 22 titled 'Troll,' fans will be seeing the gang trying to frantically reconstruct the circumstances that surrounded the inexplicable killing of a Navy warfare engineer as well as the return of the long lost husband of Ellie Bishop.

Latin Post reports that in 'Troll,' fans will see Jamie Bamber portry the character of Jake Malloy, who is the NSA attorney husband of Bishop (Emily Wickersham). Matt Jones wil also be returning to play the role of Special Agent Ned Dorneget, who will be assisting the team with their probe into the Navy Intelligence Officer's murder.

According to Spoiler TV, 'NCIS' Season 12 episode 22 will feature an "emotional" Gibbs (Mark Harmon) empathizing as well as dealing with homeless vets in the national Capital. At about the same time, Abby (Pauley Perrette) will be seen enthusiastically trying to help out a homeless woman reconnect with her family.

Elsewhere, Jake and Gibbs get perceptibly closer and it remains to be seen what impact it may have on their working relationship. In the last many episodes of 'NCIS,' fans have seen a constant change for the gang. According to CarterMatt, in 'NCIS' Season 12 episode 21 titled 'Lost in Translation,' fans saw DiNozzo's (Michael Weatherly) growing resentment for McGee (Sean Murray) when he was selected to be the new face of 'NCIS' recruitment.

In the episode titled 'No Good Deed,' which was aired the week before 'Lost in Transition,' Tony was seen opening up about his feelings for ATF Special Agent girlfriend Zoe Keates. He shared his feelings for her with Gibbs saying that as he was certain their relationship had reached further than the honeymoon phase. Incidentally, Zoe overheard him mistakenly over the radio after he failed to mute it and later admits to Tony that she is very keen that their union should work.

'Troll' will air on Wednesday, April 29, on CBS after a one-week hiatus.