Sirens focused on the work and lives of three rookie female Pittsburgh Police officers. Officer Sarah Berkezchuk is dealing with her failing marriage, Officer Lynn Stanton is a single mom, and second-generation cop Officer Molly Whelan has a bad attitude which starts to interfere with her job. Each rookie officer worked under a veteran cop, and each grows and becomes more focused as a result.
Episode 1
On the first shift, Lynn Stanton finds a parent whose missing TV is more important to her than her missing kids; Molly Whelan gets no slack from her partner; and Sarah Berkezchuk is bloodied by a brick thrower.
Episode 2
Lynn deals with the heartbreak of notifying a dead man's next-of-kin, while a basketball player falls in love with Molly when she insists on playing basketball with them.
Episode 3
A man threatening to jump from a bridge will only let rookie officer Berkezchuk on the ledge with him to talk him down.
Episode 4
Whelan has to appear in court to testify against a woman who assaulted her but things don't go planned. Meanwhile the Berkezchuks argue over money issues.
Episode 5
Whelan has a date with a weatherman while Berkezchuk thinks there is something odd about her husband's attempts to reconcile.
Episode 6
A battered wife hesitates to press charges, but her lawyer husband has no qualms doing so. Whelan doesn't want her new boyfriend to find out she is a cop. Later she finds out he has a secret of his own.
Episode 7
Berkezchuk moves in with Stanton who has been accused of using excessive force and faces a hearing.
Episode 8
Stanton starts to resent Whelan while Schiller gives Sarah some good advice on handling Kelly who has just gotten the results of his sergeant's examination.
Episode 9
The Christmas spirit fills the station, but out on the streets it is business as usual. Christmas festivities include an unamused drug dealer, children who have to deal with their mother's suicide attempt, Whelan's fruitcake and a drunk driver who thinks he is George Baily from "It's A Wonder Life."
Episode 10
A television crew for a reality show called "Gal Cops" follows the female officers in the precinct for the day.
Episode 11
Schiller is stabbed due to Molly's inattention while the Berkezchuk household continues to have more problems.
Episode 12
Stanton becomes deeply concerned about deadly force after she pulls her gun on a group of juveniles. Whelan tries to learn more about her partner Schiller.
Episode 13
Stanton takes an unusual bus ride when her car stops working. Whalen tries to figure out why Schiller is so on edge on this particular day.
