Watch Blue Bloods Season 13 Episode 21 full movie online free in HD with English subtitles – no download needed.
Danny and Baez team up with Danny's old partner, Jackie Curatola, to find a copycat killer emulating a criminal's murders from a previous case; Frank and Mayor Chase battle over how best to handle the city's rising homeless population; and Jamie, Eddie and Erin team up to build evidence against a man previously released, but once again committing criminal assault.