[s4e9] - Unfinished Business

: The episode begins with Assistant Director in Charge Rina Trenholm (Kathleen Munroe) being critically wounded by a sniper while heading to work with Jubal Valentine.

is the ninth episode of the fourth season of the procedural drama FBI , which originally aired on December 14, 2021. Episode Overview [S4E9] Unfinished Business

: The attack on Rina, who is also Jubal's partner, places him under immense emotional pressure throughout the investigation. Cast and Credits : The episode begins with Assistant Director in

The episode centers on a high-stakes retaliatory plot orchestrated by the imprisoned drug lord (David Zayas), whom the team had arrested in Season 3. Despite being behind bars, Vargas manages to coordinate a series of attacks targeting the FBI agents and their families. Key Plot Points Cast and Credits The episode centers on a

Watch FBI Season 4 Episode 9: Unfinished Business - Paramount Plus