In the pilot of Blue Bloods we are introduced to a new kind of crime family the Reagan's just as Jamie is graduating from the Police Academy and joining the NYPD, after deciding not to pursue his career as a lawyer. Frank is questioned by the press over the trust that the Latino community of New York has of the police department. And when a young Hispanic girl goes missing Danny soon finds himself being questioned over his interrogation methods. First by his sister Erin who has strong opposing views to his methods and this soon leads to quite a heated discussion during a family dinner. Will justice prevail and will this tight-knit family be able to continue to function with their conflict of values, find out this fall.
After meeting with federal agents in a dark edge of Chinatown, Jamie witnesses a crime in progress and his suspect is killed while in pursuit. Now, Danny must solve the case in order for Jamie to avoid an Internal Affairs investigation.
When an unidentified young girl is found murdered at a debutante ball, Danny and Jackie look to the prostitute found giving her a hard time on the hotel's surveillance camera for clues. Meanwhile, Nicky gets a glimpse of her first murder victim as she rides along with Danny when he gets the call to investigate.
When a former U.S. Marine and war hero-turned-homeless man is found murdered, Danny, a former Marine himself, feels a personal connection and is determined to find the killer. Meanwhile, erroneous information about Frank running for mayor is leaked to the press.