NCIS: Los Angeles will bring back Anna Kolcheck in "Matryoshka," but Hetty's team will defiantly not roll out the welcome wagon.

'NCIS: LA' Season 7: Eric Enters The Field [PHOTOS], 'Matryoshka: Part 2' Plot Revealed

Arkady (Vyto Ruginis) is Callen's (Chris O'Donnell) only living connection to his father, but the agent's premiere antics didn't get him any closer to finding the missing Russian. When the Russian's daughter arrives on the scene, however, the OSP will kick off a two-part mission with serious implications for Callen.

As seen in the sneak peek below, the episode will feature a search for Anatoli Kirkin (Ravil Isyanov). Unfortunately for the team, their rescue will be interrupted by a mysterious figure on a motorcycle. Once Kensi (Daniela Ruah) immobilizes the subject, however, the agents realize the biker has a familiar face.

'NCIS: LA' Season 7: FBI Agent Returns For 'Special Episode', Find Out Who!

One Anna (Bar Paly) regains consciousness, she will become integral to the case.

"In order to locate Arkady in Russia, the NCIS team goes undercover with his daughter, Anna, at a gala in Los Angeles to gain access to the Russian Consul General's computer," CBS teased.

Find out more when NCIS: LA returns on Feb. 8 at 10 p.m. ET on CBS.

Tags: NCIS: LA NCIS: Los Angeles television CBS