After Liz takes her ex-boyfriend, Dennis, back simply because he asks, Jack takes it upon himself to mentor her as he thinks that she is leading a life of mediocrity….

In the second season finale, Jack moves on to a new job involving politics in Washington, but the position is not quite what he anticipated. Meanwhile, Liz suffers a pregnancy…

Dennis becomes a New York City celebrity after jumping in front of a train and saving someone who fell on the tracks. Meanwhile, Jack desperately tries to persuade Tracy to…

Hayley starts an internship at a local news station working for a Nancy Grace-type reporter, who happens to be Roger in disguise.

On Halloween, Frank experiences eerie visions and strange events that spark flashbacks to his youth—and a telling encounter with a troubled World War II veteran.

Frank and Emma investigate the suicide of a former FBI agent and discover links between the FBI, the Millennium Group, and the Los Alamos nuclear research center.

A riot breaks out at the prison, where two inmates are killed. The squad goes to the scene, but Frank must still stay behind. Bayliss, Lewis, Kellerman and Howard interview…

Pembleton and Bayliss investigate a murder that was committed in a gay neighborhood by skinheads and the victim’s sexual preference is questioned. Brodie is hired by the department to videotape…

A ‘Prince’ is robbed of expensive paintings. Martinez gets his first case as Delegate. Russell goes under cover.

Crosetti’s caseload is distributed among the detectives and Howard’s 100% clearance rate may be in jeopardy when she gets his most difficult unsolved case; this is further complicated when Beau…