Steven and fellow LAPD Detectives Halloran and Stang (who are partners) find Councilman Watson ( whom they wanted to question about corruption) passed out at home on tranquilizers Mark prescribed; in the next room is his separated wife Janet's corpse. She has been shot and her blood is all over the house. Police Chief Masters, a political rival for the mayoral campaign, refuses to comment. Mark decides to look into Watson's claim to have been framed, working together with Captain Cynthia Pike; even though it may make Steve look bad, he is happy to collaborate. Amanda hopes to work trough her an 'amicable' divorce from baby CJ's dad by becoming a medical examiner in the coroner's office but she finds nothing; this “negative“ finding is enough for Mark to prove there was a frame, and that Stang had motive and opportunity - he shoots himself; his gun was used for Janet's murder. Now Mark sleuths on; Stang could have been framed himself if Masters is in the plot.

The day Dr. Mark Sloane is to be 'honored' as Man of the Year at the Roast, where comedians makes merciless fun of him in the Jokers Club, which despite its fun-loving name is also a cesspit of envy and blame, Andy Baxter, a sideman who made a surprise appearance grossly insulting the speaker, Lou Summers, and dropping trou he's killed during a very short power break by a knife in the back. While Steve is conducting first interrogations, the killer knocks out Jesse and stabs Lou to death. The crowd provide multiple clues and suspicions, but Mark figures it all out by elimination on accounts of motive and opportunity.

N.K. 杰米辛（N.K. Jemisin）荣获雨果奖的长篇小说《第五季 The Fifth Season》被TNT改编成剧集，由利·达娜·杰克逊（Leigh Dana Jackson）负责编写剧本。故事背景设定在一个定期发生高破坏性地震的世界，有一小部分人具备阻止和引发地震的能力。主角是三位拥有地震控制能力的女性：一个年幼的女孩被带离家乡，被迫接受残酷训练，以“服务”国家；一位年轻女子被派遣执行任务，从而揭开生活背后残酷的真相；一位年长的女性失去了丈夫和孩子，整日沉浸在悲痛与恐惧中，东躲西藏……这三个相互交织的故事，共同构建出一幅宏大的世界末日景象。

During a SWAT bust, Steve's LAPD friend Douglas Quinten 'Doug' Vogel gets killed by a bullet from his own commander, Max Jupe, who is two years from retirement. City Attorney Andrew Chivers forbids Max any contact with the widow Janine, who quickly accepts the 20% profit-sharing legal services of slick attorney Daniel Brent. Actually. Max and Janine were secret lovers who planned Doug's death. Mark quickly catches on when Max is diagnosed with chickenpox, a recent problem in Janine's daycare center, although the lovers claim not to have met in three months. A 'shooting demonstration' by cocky Max proves that he doesn't need glasses and he is a superb marksman. Janine takes another lover-her lawyer Brent, who is suing Max and the city for $10 million.

Teenager Ashley York murders her sick father Arthur by fixing his Deprosine pills to an overdose. Mark doesn't believe it's suicide, there's no note, absolutely no fingerprints and he set the coffee machine timer for after his death; Jesse concurs his intake of other medicines makes no sense for a suicide. Amanda shows Jesse a postcard: his predecessor Jack Stewart has set up a fancy private practice after his residency in Community General. Then Ashley, who overheard the Sloans, 'finds' a note, but computer-printed, and as Mark soon proves posthumously, murder. Ashley's mother, Dr. Elaine York, intends to keep the purse strings of her $7,000,000 trust-fund till she turns 25. Jesse finds out via a financial friend that Elaine, as a doctor certainly capable of the murderous plan, paid Arthur $2,000,000 at their divorce and kept paying the expensive beach-house, while his entire estate goes to Ashly.

Kendra Masterson commits a series of elaborately planned crimes, using her lover Jake Myers as muscle. She later kills Myers, whose corpse she ships to Egypt in a sarcophagus crate. She then frames another lover, millionaire Roger Andrews, for the murder of his wife, Lana. Before Andrews's arrest, Masterson scams half a million dollars out of him to care for her nonexistent “insane brother“. The Sloanes must figure out all of this as well as investigating a staged fatal car accident which Masterson orchestrated in order to switch identities with a psychiatric patient named Beverly Scott.

D. Sloan is terribly nervous about an IRS audit, sees 'sloppiness' everywhere, and leaves a 'death threat' on his accountant Ernie Pitt's answering machine, desperate for help. When Mark sneaks out from Agent Gretchen McCord's first interview for a 'medical emergency' he thus ends up bent over Pitt's corpse, stabbed to death. LAPD Detective Claire Van Sickle grants him no favors as colleague Steve stood her up a while ago. The two harpies team up to 'coordinate their attack' on Mark.

Mark Sloan is a doctor at Community General Hospital, and he is a consultant for the police department. His son Steve Sloan is a detective for the department. He and his father, along with emergency room resident Dr. Jesse Travis and Dr. Amanda Bentley, who is the pathologist at the hospital help to solve some very strange murder cases in Diagnosis Murder

Caitlin Sweeney bombed Community General in the last episode, and a number of characters are trapped in the rubble. Mark worked hard to save Amanda's life. After 4 months pass, the hospital starts to reopen, and Steve announces that Caitlin has started robbing banks to raise money for R.O.A.R.: Revolutionary Order for Armed Rebellion. Steve and Jesse discuss plans to buy Barbecue Bob's, which is going out of business.

经过4年的合作，几十综案件和一次濒临死亡的经验之后，Kate Beckett（斯坦娜·卡蒂克 Stana Katic 饰）终于和畅销书作家Richard Castle（内森·菲利安 N…