US drama following a family of New York cops headed by Frank Reagan. Starring Tom Selleck. As well as the head of the family, Frank is the New York City Police Commissioner, following in the footsteps of his father, Henry. Frank\'s children also share his passion for law and order: Danny is an NYC detective, Erin works in the District Attorney\'s office and Frank\'s youngest son Jamie works undercover. In this season, Frank must deal with recent protests against police brutality and Danny and Maria attempt to take down a group of illegal gunrunners.