Following a murder that appears to be a hate crime, Teresa risks tipping Gibbons off to her big-picture plan by boldly taking on the Chicago Police Department's corrupt "meritorious" promotion system. Meanwhile, Jarek is forced to face his own reality when Vonda receives an anonymous package that reveals more about the Wysocki family.

The case against Alderman Gibbons escalates, and Teresa, Jarek and Caleb scramble to locate a star witness. As undercover cop Liam Hennessey continues to assemble evidence, he's forced to take matters into his own hands.

It's the moment of truth for the city of Chicago and the Chicago Police Department. FBI Special Agent Cuyler returns to pay Superintendent Colvin a visit, and Jarek stops at nothing to address family issues that have haunted him for years. When Jarek and Teresa are forced to put everything on the line, the stakes are raised as their case against the kingpin of corruption in Chicago comes to a climactic conclusion.