An American soldier who had been killed during the Vietnam War is revived 25 years later by the military as a semi-android, UniSols, a high-tech soldier of the future. After the failure of the initiative to erase all the soldier's memories, he begins to experience flashbacks that are forcing him to recall his past.
A tough Russian policeman is forced to partner up with a cocky Chicago police detective when he is sent to Chicago to apprehend a Georgian drug lord who killed his partner and fled the country.
For the past four years, San Francisco cop Jack Cates has been after an unidentified drug kingpin who calls himself the "Ice Man". Jack finds a picture that proves that the Ice Man has put a price on the head of Reggie Hammond, who is scheduled to be released from prison on the next day.
A pragmatic U.S. Marine observes the dehumanizing effects the U.S.-Vietnam War has on his fellow recruits from their brutal boot camp training to the bloody street fighting in Hue.
Veteran buttoned-down LAPD detective Roger Murtaugh is partnered with unhinged cop Martin Riggs, who -- distraught after his wife's death -- has a death wish and takes unnecessary risks with criminals at every turn. The odd couple embark on their first homicide investigation as partners, involving a young woman known to Murtaugh with ties to a drug and prostitution ring.