Terry and Hildy investigate the Kevin Neyers murder and discover some shocking secrets.

Erich Blunt's trial comes to a dramatic conclusion. Warren Daniels thinks about calling Blunt to the stand. Terry believes that a previous investigation had some significant holes in it.

An important witness is found dead potentially ruining the prosecution's case. Erich Blunt's high-profile attorney attempts to prove his client's innocence.

Junior reveals new details which may finally give Hildy and Terry the upper hand in their investigation, while the Trial of Dustin Maker begins with opening statements. Meanwhile, an unlikely source provides Suger with startling new information regarding his sister.

Terry and Hildy race to close in on a murder suspect; Fatty B lobbies to take Potrero in a new direction; a verdict is reached in Dustin's trial.

The department looks into the death of a drug-addicted socialite and her husband. Terry and Hildy discover the witnesses in the Kevin Neyers case.

Terry and Hildy struggle to collect evidence against their new number one suspect. Terry attempts to repair his relationship with Hildy. The prosecution comes out swinging with an emotional witness who threatens Siletti’s chances at life on the outside.

Erich Blunt dos not listen to his lawyer's advice and leaves for a drug-fueled weekend. Terry and Hildy have to try and deal with the repercussions of Hildy's officer involved shooting.

Terry and Hildy's investigation is dealt a lethal setback; Raffi's loyalty is questioned; Suger contemplates the future of Potrero; the stress of the trial takes a toll on Jamie.

A murder case is taken a close look at from the the crime being committed and then through the investigation, arrest and actual trial.

As the city reels, newly appointed D.A. Mario Siletti promises justice. Meanwhile, the body of a young Chinese gang member found in an urban grow house leads Hildy into the dangerous world of drugs and gang politics.

Terry and Hildy head to Mexico when truths emerge about Navarro. Meanwhile, a fuming Suger prepares for war, and unforeseen developments mark Raffi's investigation into Suger.

Raffi fears Hildy's continued investigation of the grow house murder will blowback on a case of her own.

The murder of a prime suspect in the Normandy Parker case seems to prove Terry's conspiracy theory. Siletti's fragile peace with his family is upended by a ruinous civil lawsuit compounding his legal troubles. And Hildy goes on a date in an attempt to move on from Terry.

Disturbing new information about Normandy parker lengthens the list of suspects in his murder. Siletti, fighting for his future, sabotages the D.A. who replaced him. Terry and Hildy face an ultimatum about their secret romance.

Tensions mount as the manhunt proves to be more difficult than expected. Terry is promoted to acting lieutenant, which he soon discovers comes with responsibilities more taxing than he anticipated.

Terry English and Hildy Mulligan investigate the death of Erich Blunt's flight attendant, Cindy Strauss. Terry also attempts to deal with the recent death of his wife and the sudden arrival of her sister.

Erich Blunt decides to take a lie-detector test in an effort to change the public's perception about him. Some problems surround a past suspect's alibi, which could ruin Hildy and Terry's case against Blunt.