The Fire Country season 4 midseason finale is getting closer to arresting the person responsible for Vince's death. In Us Weekly's exclusive first look at the Friday, December 19, episode of the hit CBS series, Sharon (Diane Farr) visits Bode (Max Thieriot) to tell him that Landon (Josh McDermitt) is being questioned for his involvement in the fire that caused Vince's (Billy Burke) death. "They have to do their due diligence," Bode tells Sharon about Landon's behavior toward stepson Tyler (Conor Sherry). "He's volatile." Sharon urges Bode not to worry as they prepare for justice to play out.