Danny and Baez investigate when an expectant mother is a victim of a "knockout game," in which teenagers punch unsuspecting civilians in the head. Meanwhile, Frank wrestles with promoting an officer when he thinks it can be viewed as favoritism.
Elenco:
Tom Selleck
,
Donnie Wahlberg
,
Bridget Moynahan
,
Will Estes
,
Len Cariou
,
Sami Gayle
,
Marisa Ramirez
,
Abigail Hawk
,
Vanessa Ray
,
Gregory Jbara
,
Robert Clohessy
,
Andrew Terraciano
,
Amy Carlson
,
Jennifer Esposito
,
Steve Schirripa
.