[s13e5] Homefront Here

: The duo partners with an informant to prevent a looming murder, navigating a dangerous situation to secure proof before a gang leader can strike.

: Frank Reagan (Tom Selleck) launches an investigation after his family is targeted by protesters. The demonstrations escalate to the point where Henry (Len Cariou) is accosted while out with friends, leading Frank to realize the protesters were sent specifically to force him to disband a controversial NYPD unit. [S13E5] Homefront

In this Blue Bloods Wiki entry, the Reagan family faces intense pressure from both the public and within the justice system. : The duo partners with an informant to