Sunday, July 31st, 2011
Chicago Internal Affairs detective Abby Kowalski investigates crimes in the department. In the opener, Abby, a beat cop, accepts a promotion to detective in Internal Affairs, which doesn't sit well with her family of cops.
Sunday, August 7th, 2011
2: Raindrops Keep Fallin' on My Head
Richie shoots a teenage boy in the line of duty. Meanwhile, Abby works with one of her heroes in a case involving a mob mole.
Sunday, August 14th, 2011
3: We Have a Cop in Trouble Here
An ex-con accuses some police officers of harassment. Meanwhile, Abby is propositioned by the detective investigating Richie's shooting of a teen, and Sheila visits the mother of the boy Richie shot in an attempt to cope with her own grief.
Sunday, August 21st, 2011
4: The Fifth Body
A woman's corpse disappears from the coroner's office and turns up in a twisted Internet video. Abby and Lina search for the body to ensure that the murderer doesn't go free.
Sunday, August 28th, 2011
5: Baby, Did A Bad Thing
Abby and Lina investigate a stripper's murder and discover she was killed at a private cop clubhouse where Don is a member. Meanwhile, Richie learns about Brody and Abby.
Sunday, September 4th, 2011
6: Obsessed and Unwanted
Abby and Lina investigate an officer who is accused of stalking his police psychiatrist; Richie's new partner challenges his loyalties and ethics; Abby's relationship heats up.
Sunday, September 18th, 2011
7: Countdown to Meltdown
When a man collapses in front of her, Abby attempts to give him CPR; Donnie tries out for the SWAT team.
Sunday, September 25th, 2011
8: Memories We Fear
Abby and Lina investigate the erratic behavior of a crime scene photographer, which leads them to take over the investigation of a murdered model.
Sunday, October 2nd, 2011
9: Lean on Me or Die
Abby and Lina investigate a fellow Internal Affairs detective; Brody seeks advice on how best to woo Abby.
Sunday, October 9th, 2011
10: Boys Are Back
Abby and Lina are sent to investigate when a young girl is trampled during a brawl at a wedding; Don recognizes Mackie's new man as someone with a shady past.
Sunday, October 16th, 2011
11: Wonder What God's Up To
Abby and Lina investigate a complicated case involving the suicide of a police officer; Mackie and Abby's brothers plan a surprise party for Abby.
Sunday, October 23rd, 2011
12: Second Chances
When Shelia hires ex-convicts in her bakery, Don starts to get worried about what the consequences could be for their family. Lina and Abby attempt to uncover what went wrong at a hazing of a recruitment academy in Chicago.
Sunday, October 23rd, 2011
13: We Protect Our Own
When Don's ex-partner Paul is investigated for the death of his wife, Abby and Lina look into how she really died, which may lead to Don's old cases being reopened. Meanwhile, Lina worries if her partnership with Abby will change after the birth of her baby, and Abby's relationships with Danny and Brody heat up.