9.0/102 votes#1 - The Devil You Know
Season 1 Episode 6 - Aired 7/26/2018
Bounty hunter Piper Mannox shows up at Valetik Investigations asking Eddie and Sam for help to find an escaped prisoner who killed a guard on his way to freedom. Eddie is hesitant to work with Piper again due to their tumultuous past and her lack of moral code. However, with his cop connections, her experience finding fugitives and a quarter million dollar reward, it makes it difficult for Eddie and Sam to say no. Meanwhile, Sam feels a strong connection to Piper and turns into her biggest fan.
Director: Brad Turner
Writer: Mo Masi
8.7/103 votes#2 - Payback
Season 2 Episode 13 - Aired 1/21/2020
The son of a retired FBI agent is kidnapped, and the team must investigate if it's an act of revenge; Isobel must make a hard call when information from the past comes to light.
Director: Monica Raymund
Writer: Mo Masi
8.1/108 votes#3 - Chicken, Dynamite, Chainsaw
Season 2 Episode 4 - Aired 10/15/2014
Two teenage girls have gone missing and the team know the clock is ticking to find them. Halstead, Antonio and Lindsay investigate a tenement which gives them a much needed lead. Voight brings the father of one of the girls to district in order to get some honest answers. Platt puts Roman and Burgess on gun buy-back duty where they ask questions when they aren’t supposed to.
Director: Reza Tabrizi
Writer: Mo Masi
8.1/107 votes#4 - Knocked the Family Right Out
Season 3 Episode 11 - Aired 1/13/2016
Intelligence hunts down a crew responsible for a rape and robbery rampage. Lindsay is abducted on an undercover operation.
Director: Mark Tinker
Writer: Mo Masi
8.0/107 votes#5 - If We Were Normal
Season 3 Episode 19 - Aired 3/30/2016
When Burgess and Lindsay respond to a call about a stabbing, the assailant turns out to be a kidnapping victim escaping her captor; Ruzek accuses Roman of having feelings for Burgess.
Director: Mark Tinker
Writer: Mo Masi
7.9/107 votes#6 - There's My Girl
Season 2 Episode 21 - Aired 5/6/2015
The investigation into the bombing of a trendy café hinges on a minor who witnessed it. A major blunder lands Atwater in hot water. Voight helps Platt in her attempt to get a memorial stone for the team's fallen member.
Director: Mark Tinker
Writer: Mo Masi
7.6/107 votes#7 - We Don't Work Together Anymore
Season 2 Episode 11 - Aired 1/14/2015
Lindsay has her first case with the task force and realizes she needs to call on Voight and the Intelligence unit to assist. Meanwhile Burgess is back on the job, but relegated to desk duty which allows Desk Sgt. Platt the opportunity to partner up with Roman.
Director: Mario Van Peebles
Writer: Mo Masi
7.5/104 votes#8 - American Idol
Season 2 Episode 3 - Aired 10/8/2019
After a front-running female presidential candidate, Valerie Caldwell, is targeted with a car bomb, OA and Maggie must hurry to track down the bomber before they strike again. The case leads them to wonder whether this person is targeting Caldwell for her political aspirations or something else.
Director: Milena Govich
Writer: Mo Masi
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Mo Masi Ratings Summary
"The Devil You Know" is the best rated episode written by Mo Masi. It scored 9/10 based on 2 votes. It was directed by Brad Turner. It aired on 7/26/2018 and is rated 0.3 points higher than their second-best episode, "Payback".