Lethal Weapon

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.

Lethal Weapon 4

Officers Martin Riggs and Roger Murtaugh of the Los Angeles Police Department must stop a dangerous crime lord from China from getting his brother out of jail.