The trailer drops viewers straight into Danny Reagan’s chaotic pursuit of a suspect, only to reveal the culture clash and sharp humor that hit the moment he steps into Boston’s world of policing—a place where even his NYPD “shield” draws side-eye. But as the teaser shifts from fast chases to a vow that “we are one family,” it hints at a new Reagan dynamic and a city ready to challenge Danny in ways he’s never faced before—so let’s watch the video to see how Boston Blue sets the stage for his next chapter…