
A young woman is murdered in the White House. Homicide detective Regis investigates while Secret Service works against him. He's assigned agent Chance. She eventually cooperates after a man's framed.

UN's secretary general uses covert operations to help diplomacy along. Shaw's called back 6 months after one such operation. He witnesses the murder of Chinese UN ambassador at UN, NYC, chases the assassin and ends up a suspect.

A district attorney is involved in a 24-hour showdown with a gang leader and is, at the same time, being manipulated by an attractive assistant district attorney and a cryptic stranger.