Based on one of Turgenev's Hunter's Sketches: the Lone Wolf of the title is a forest caretaker for a flippant aristocrat. Though he lives in absolute misery in a hut deep in the woods with two small children to take care of, he's feared for his merciless stalking of the starving serfs who sneak in to cut firewood.
Jackie Chan stars as Wong Fei-Hung, whose mischievous antics land him in hot water. Having tolerated enough of his son's mishaps, Fei-Hung's dad enlists his sadistic uncle, who specializes in drunken-style kung fu, to teach the lad some discipline.
The lawyer is visiting a prison to meet with a violent criminal who has been condemned to death. During the visit, things turn bad, there is a riot where prisoners escape and the criminal escapes taking a lawyer hostage.
Spoofing the entire 1940s detective genre, and his own performances as a bumbling private detective, Peter Falk plays Lou Pekinpaugh, a San Francisco private detective accused of murdering his partner at the instigation of his mistress, the partner's wife, Georgia Merkle.