Special forces officer Ajisawa leaves his paramilitary group to take care of his newly-adopted daughter, Yoriko: the sole survival of a bloodbath for which he is responsible. Years later, Ajisawa is forced to return to the scene of the tragedy for his new job as a claims adjuster where he is subsequently arrested for his suspected involvement. But the threat of jail time is the least of his worries as his former organization comes gunning for him.
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.
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.