An untimely arrest compromises a major drug bust; Andy goes under cover with Swarek; Dov must choose between his girlfriend and his career.
Division 15 starts a city-wide search for an abducted 9-year-old girl; disturbing evidence is uncovered during an interrogation.
An inmate escapes during a prisoner transport; Gail and Dov try to help a man with amnesia; Traci and Chris help reconstruct notes missing from a court case.