14 ฤดูกาล
293 ตอน
Blue Bloods - Season 4 Episode 21
After a detective from Danny's precinct is killed while working undercover, Frank goes above and beyond to find the killer only to discover that the victim held a big secret; Jamie and Eddie help Nicky track down a homeless former classmate.
- ประเทศ : United States of America, United Kingdom
- ประเภท : Crime, Drama
- ผู้อำนวยการ : Mitchell Burgess, Robin Green
- นักแสดง : Tom Selleck, Donnie Wahlberg, Bridget Moynahan, Will Estes, Len Cariou, Gregory Jbara