The killer: Heather Williamson; the victim: Jake Daly
Heather and Jake, a bartender, are boyfriend/girlfriend. Heather and her business partner, Gordon White, are founders and principals of a web communications company. As the investigations begins, the detectives have no body, only a bloody crime scene that suggests someone was viciously murdered.
The victim: Emily Williams; the killer: Jeannine Boxton
Emily and Jeannine were best friends and, up until recently, Emily dated Jeannine's brother, Aiden. Six weeks ago, something happened in Emily's life that caused her to break up with Aiden and change her mind about a university track scholarship. As the team investigates, they discover that both families have their secrets.
The killer: Diane Torrance; the victim: Coroner Dr. Stan Matthews
Dr. Matthews, who was Betty's colleague and mentor, is found in a parking with seven stab wounds. As Betty comes to grips with the murder, she is also tasked with taking over as the expert witness an Stan's latest case, a four-year old child who was apparently murdered at a party by his drug dealing father, Brad Hitchens.
The killer: Damian Cutter; the victim: Alicia Barclay
Alicia, the wife of Peter Barclay who, along with Kurt Taylor, owns the High Rollers online gaming site, is found dead on a beach wearing a cocktail dress. As Flynn and Vega dig into the case, they discover that the Barclays and Taylors were at a party on a yacht the night before and that each of them has secrets as well as a motive for committing the crime.
The killer: dance studio owner Sophia Balfour; the victim: drug dealer Dustin McEvers
McEvers is found shot to death in the basement of Miles and Sophia Balfour. Miles tells police that the victim was a home invader and that he shot him in self-defense.
The killer: Ian; the victim: Kevin Carpenter.
Detectives Flynn and Vega investigate the death of Carpenter, who returned to the city after spending three years traveling through the Far East. A cryptic note, “I never had the courage until now,” is found in the hotel room where the victim died. Meanwhile, Angie is upset that Sgt. Kevin Cross, someone with whom she has history with, is the new team leader after the recent promotion of Boyd Bloom to Superintendent.
Beckett continues her quest to find the stolen toxin as Castle is left with less than a day to live after his exposure.
King and Maxwell investigate the circumstances surrounding Agent Carter's suspension but find clues involving Carter's most recent case. King discloses the mistake that led to his downfall from the Secret Service.
When an off-duty officer is wounded by bank robbers calling themselves the Royal Flush Gang, Diggle tries to convince Oliver that he must do more than go after the men on his father's list. Meanwhile, Tommy asks Thea for dating advice and Moira demands to know why Oliver keeps disappearing.moreless
The team races to stop Stanton's plan to activate the mini-stims across the continent. Meanwhile, a wounded Rosen seeks revenge for his daughter by going after the Alpha personally.
While Rosen interrogates an Alpha prisoner, Gary and Bill try to rescue Skylar from Parish.
Kat returns to the team as they set out to find Stanton's secret weapon... and protect him. Meanwhile, Senator Burton challenges Rosen's methods of fighting rogue Alphas.
Difficult times arise for Rosen and his team as the loss of a loved one shocks everybody. Meanwhile, a woman abandons a baby boy at the office and Gary takes him under his wing.moreless
Stanton Parish plans works to engineer a city-wide blackout... and Hicks defects to help him.
While Kat takes on her first mission tracking down a street drug that gives normal humans temporary Alpha powers, Rosen discovers the identity of the mole.
Rosen and Parish face off against each other after a young Alphas emerges with the deadly ability to control minds.
Rosen goes to Alpha gadgeteer Skylar Adams for help dealing with Stanton Parish, but Skylar and her daughter are soon at risk when Stanton gets too close.
An Alpha goes insane and his delusions lead him to abduct Rachel. However, when the rest of the team search for her, they find themselves entangled in a series of bizarre situations.
The team discover that the Alpha they're hunting is their missing teammate, Nina, whose powers are going out of control.
Cameron and Bill go undercover as fighters as an underground arena and meet a young girl with a unique power. Meanwhile, Gary considers moving out, Rachel bonds with the team's new tac leader, and Rosen tries to find out more about Stanton Parish.moreless
Rosen and his team look for an Alpha with a vendetta, but the hunter becomes the prey when the Alpha comes after them.
Eight months after Dr. Rosen's startling announcement to the world about the existence of Alphas, the government has had him committed. His Alphas, which have gone their own ways, must decide whether to reunite and save their friend when Rosen is called in to deal with an Alpha prison break.moreless
Bail bondsman Emma Swan is confronted by Henry, the child that was given up for closed adoption 10 years ago. He asks her to come to his home of Storybrooke with him and explains that the people there are fairy tale characters who don't remember who they are. The boy insists that his adoptive mother, Mayor Regina, doesn't love him, and that Emma has a destiny to fight in a final balance and help good win once and for all.moreless
The SIU is attacked by a highly-trained group of Spetsnaz our to kill Kane and anyone else in the building. The team must fight their way out before dawn.
Rosen and his team must choose sides when Red Flag launches a full-out assault on the Department of Defense.
The DoD imprisons Rosen and his team after they suspect that one of the members is a Red Flag traitor.
The team investigate a serial rapist case, which brings up bad memories for Juliet. At the same time, Kane finds that he is being targeted by professionals.
After capturing an Alpha working as an obstetrician, the team takes on an Alpha with the ability to remain unseen and undetectable against any opponent.
Kane and his team investigate cross paths with the Yakuza as they consolidate their control over the local drug trade as they begin to negotiate a deal with the Tongs.
Cameron and Nina fall under the influence of a cult leader who can make his followers see visions of Heaven... and feel the suffering of Hell.