The story of this seemingly thrilling series lies in the Reagan family, which consists of many New York police. It is the family led by Frank Reagan, the New York Police Commissioner. The family consists of Danny, the son of Frank and a smart detective, who took part in the Iraq war. Danny uses strange and exciting methods to solve secret and other issues. Irene is the only female in that family and she is a lawyer. Jamie, who gave up a lucrative future in law to take a seat in the police to continue the family tradition that appears to be confined to the police. Jimmy's job will be to investigate a secret case that his father, Frank, does not know.