 T.J. Hooker is a veteran cop, who rose to the rank of detective but when his partner dies in his arms, Hooker decides to give up being a detective to be a patrolman again. He starts a program wherein rookies are given practical training and the rookie he is assigned is Vince Romano, a cocky kid. And they always butted heads with detectives who don t appreciate Hooker s interference. They answer to Captain Sheridan. During the show s next season, Sheridan s daughter, Stacy joins the department and works at the desk. During the third season, Captain Sheridan was seen less frequently and Stacy began working in the streets under the eye of Officer Jim Corrigan.