Harlee struggles with becoming an FBI informant while Wozniak suspects every member of his crew. Paranoid that Wozniak's search will lead to her, Harlee suggests polygraphng the entire crew, a plan that backfires. An appeals case sends Wozniak to watch tapes from his first encounter with Harlee, revealing a dark secret from their past. Meanwhile, Espada helps Tess deal with her husband's infidelity.
Elenco: Jennifer Lopez , Ray Liotta , Drea de Matteo , Warren Kole , Gino Anthony Pesi , Sarah Jeffery , Vincent Laresca , Hampton Fluker , Dayo Okeniyi , Dayo Okeniyi .