Sirens

Episode 1

Gun Play: Part 1

Jessie Jaworski, a Pittsburgh police rookie, struggles to deal with her husband's murder.

Episode 2

Gun Play: Part 2

Internal Affairs investigates missing guns from the police property room linking the thefts to the murder of Jessie's husband. Lynn battles her ex-husband for custody.

Episode 3

Crossing the Line

Officer Lynn Stanton shoots a young robbery suspect in self defense and is then stalked by the dead girl's friend. Officer Molly Whelan botches an arrest and then gets accused of sexual harassment by her suspect .

Episode 4

Farewell to Arms

Robert Vaughn guests as Officer Amy Whelan's grandfather, a former police chief suffering from mental deterioration. Officers Stanton and Shapiro try to keep peace in a neighborhood where Serbians and Croatian residents are feuding.

Episode 5

Chasing a Ghost

Wil Wheaton plays a deranged murder suspect that causes trouble for Molly and her training officer who are transporting him from the countryside.

Episode 6

A Cop First

Jessie and Dan look into the mysterious death of a city councilman while Molly goes undercover as a phone sex operator to uncover a killer.

Episode 7

The Needle and the Damage Done

Officer Lynn Stanton is stabbed with a used syringe during an unsuccessful arrest attempt and her job and personal life are jeopardized.

Episode 8

The First Time

On her day off Molly is taken hostage in a coffee shop by a young gang member and a complaint of excessive force is filed against Sgt. Amy Shapiro.

Episode 9

Guns, Bombs and Fantasies

Officer Jaworski visits her old high school and gets a lesson on school violence when a student is shot.

Episode 10

Family Secrets

Molly discovers that Officer Jake Bryer had been secretly involved with a recently murdered man.

Episode 11

Victims

Danica McKellar guests as a teenage prostitute pushed to identify her pimp's killer resulting in death threats and Lynn's protection. Richard and Molly attempt to put an extortionist out of business.

Episode 12

Missing

Jessie is assigned to work with the FBI and becomes close to an agent (Jack Wagner) causing Officer Dan Kelly to become jealous. Officer Richard Stiles disappears while pursuing a drug dealer.

Episode 13

The Witness

Molly and Lynn are assigned to protect a socialite who was a witness to a viscous drug-related murder and is now a target of the killer.

Episode 14

Angel Falling

Detective Springer is paired with his former training officer for an undercover drug investigation.

Episode 15

Gambling on Love

Molly discovers that her new boyfriend is a deeply indebted gambler possibly tied to a recent murder.

Episode 16

The Abduction

Buddy and Dan are abducted and kept in an abandoned warehouse by a trio of desperate robbers.

Episode 17

Aftermath

When an upstanding family man is beaten to death an investigation leads to the dead man's brother and his ties to organized crime.

Episode 18

Redemption

Episode 19

The Passenger

After the murder of several cab drivers Lt. Lyle Springer attempts to solve the crimes by having a psychologist create a profile of the killer.

Episode 20

The Obsession

Episode 21

Color Blind

Officer Lynn Stanton's involvement in a murder case involving a white supremacist causes her to be profiled on a local news segment. Officer Molly Whelan investigates a suspicious car crash.

Episode 22

The Sound of One Hand Clapping

Officer Molly Whelan works undercover at a campground for the homeless to find a killer and Officer Lynn Stanton befriends a deaf man who is a possible witness to the murder.