"Sins of the Father"
A case that has occupied the Reagan family for four years is on the verge of a conclusion as Frank pushes to find evidence against a suspected cop killer who shot one of Henry's fellow officers. Meanwhile, Danny and Baez investigate a string of murders involving adult-film stars.
"Home Sweet Home"
Jamie turns to big brother Danny for help when he meets a homeless teenage boy who claims his aunt was killed by her boyfriend. Erin, meanwhile, is angered when McCoy replaces her as the prosecutor on a case involving a corrections officer.
Tom Selleck as Frank Reagan
Will Estes as Jamie Reagan
Donnie Wahlberg as Danny Reagan
Len Cariou as Henry Reagan
Jennifer Esposito as Jackie Curatola
Nicholas Turturro as Sgt. Anthony Renzulli
Amy Carlson as Linda Reagan
Sami Gayle as Nicky Reagan-Boyle