The film follows Haru (played by Chris Farley), a clumsy and bumbling orphan who is raised by ninjas in Japan. Despite his lack of skill and grace, Haru dreams of becoming a ninja like his adoptive family. However, he is constantly teased and underestimated by the other ninjas due to his ineptitude.
One day, Haru’s ninja master, Sensei (played by Nathaniel Parker), assigns him a mission to deliver a mysterious package to Beverly Hills. Excited for the opportunity to prove himself, Haru eagerly accepts the task and travels to America.
In Beverly Hills, Haru encounters Sally Jones (played by Nicollette Sheridan), a beautiful woman who mistakes him for a private detective hired to protect her. Haru, eager to impress Sally and fulfill his mission, agrees to help her uncover the truth behind a series of suspicious events.
As Haru and Sally investigate, they uncover a plot involving a corrupt businessman named Martin Tanley (played by Robin Shou) who is smuggling weapons into the country. With Haru’s unconventional ninja skills and Sally’s resourcefulness, they work together to thwart Tanley’s plans and bring him to justice.
In the climax of the film, Haru confronts Tanley and his henchmen in a final showdown at Tanley’s mansion. Using his unique blend of clumsiness and determination, Haru defeats the villains and saves the day.
In the end, Haru is hailed as a hero, and Sally realizes that she has developed feelings for him. Despite his initial mission being a misunderstanding, Haru embraces his newfound role as a protector and continues to use his ninja skills for good.
“Beverly Hills Ninja” is praised for its slapstick humor, physical comedy, and Chris Farley’s charismatic performance. While the film received mixed reviews from critics, it has since gained a cult following for its entertaining and lighthearted take on the action-comedy genre.