Sipowicz and Simone are called to the scene of a murder where a female victim was stabbed fifty-five times. Meanwhile Lesniak and Medavoy help a group of single and lonely females being targeted by a slick con artist.
Two mysterious men kidnap Sinclair in hopes of learning what happened during his 24-hour blackout at the Battle of the Line.
When his brother-in-law disappears, Santana is drawn into a web of police corruption.