Ep 16. Matryoshka, Part 2

As G Callen and Sam Hanna continue their investigation into the murder of a Russian national, they find themselves in the crosshairs of the Russian Consul General. Their investigation takes them to Moscow, where they team up with Agent Callen's longtime friend and former KGB agent, Arkady Kolcheck. Together, they navigate the dangerous and complicated political landscape of Russia, all while trying to uncover the truth behind the murder. Meanwhile, back in Los Angeles, Kensi Blye and Marty Deeks work to tie up loose ends from their own investigation, while also dealing with personal issues that threaten to shake the foundation of their relationship. With danger lurking around every corner and the clock ticking, the team must race against time to solve the case before more lives are lost.