When a New York reporter plucks crocodile hunter Mick Dundee from the Australian Outback for a visit to the Big Apple, it's a clash of cultures and a recipe for good-natured comedy as naïve Dundee negotiates the concrete jungle. He proves that his instincts are quite useful in the city and adeptly handles everything from wily muggers to high-society snoots without breaking a sweat.

Calvin and Leonard, two broke losers, are arrested for trying to rob rich old sisters Doris and Betty. The women have a change of heart, drop the charges and invite the the boys over to their mansion. Calvin decides he and Leonard should marry the women, and, when they soon die, live off the inheritance. The ladies, however, have run into their own financial troubles and wed the boys with plans of murdering them for insurance money.