In the 10th season life for the 15th precinct is as unpredictable as ever and the temperature is rising! Det. Sipowicz receives a death threat from a known drug dealer with a grudge. A prostitute is murdered causing Internal Affairs to look at Det. John Clark's possible involvement, placing him on restricted duties pending an inquiry. Det. McDowell takes on duties as foster mother to her niece, when her sister is the victim of domestic abuse. Lt. Rodriguez has his own problems when former wife Angela reappears in his life hoping for a reconciliation with tragic consequences. Det. Jones' flirting with a female officer doesn't go unnoticed by A.D.A Haywood as she struggles with their on-off relationship. And McDowell and Sipowicz's relationship heats up as Clark and Ortiz's cools when the pain over a family tragedy affects him deeply.