After witnessing a murder, while she is on a cleaning job, Thony is forced by circumstances to clean up the scene. She's offered a permanent cleaning job for the mob in exchange for her and her son's life, whom is dying from a terminal disease.
Thony is given a dire ultimatum by Garrett that could compromise her son's access to medical treatment; a rift forms between Fiona and her son, Chris, when a secret is revealed that has major consequences for his future.
Facing a setback with Luca's treatment, Thony takes matters into her own hands. But when a potential donor refuses to participate, she turns to Arman for help. Garrett makes a risky demand of Thony, pushing her deeper into moral ambiguity.
Fiona and Thony's relationship is strained due to her lies. Arman uses Thony to get intel to the FBI. Luca's health declines, Thony must consider Mother Donna - a potential resource for a liver transplant for Luca, but at what cost?
Thony's marital issues are amplified as Marco asks tough questions about her methods of getting Luca life-saving treatments. Arman is determined to make his way out from under Hayak, but Garrett is hell-bent on foiling his plans.
Thony enlists Arman's help to get to Mexico for Luca's transplant, but plans go dangerously off course. Thony finds herself in a desperate situation, forcing her to call upon both the former doctor and the newfound "gangsta" in herself.
Arman's fallout with Hayak has severe consequences for Thony. In hiding, Arman tries to help Thony, but it is Garrett who steps in to get Thony across the border. But upon re-entry, things aren't what they seem.
Needing a way out, Thony tries to make a deal with Garrett to save herself and help Arman, but Arman doesn't trust any promises made by the FBI. A sting operation is hatched, but Arman's distrust leads it off course.
