“Blue Bloods,” a CBS hit spanning 13 seasons, follows the Reagan family’s commitment to tradition and justice in New York law enforcement, led by NYPD Commissioner Frank Reagan. Season 10 introduces a surprising twist with Joseph Hill, Joe Reagan’s unknown son, disrupting the family’s self-image. Erin and Jamie, alongside the late Joseph, continue the family legacy in law enforcement. This show’s hallmark lies in family dynamics, tradition, and unexpected plot twists, with Joe Hill’s addition adding complexity to their commitment to each other and justice in New York.