A sheep rancher entrusts his goofy sheepdog Dizzy to guard his herd one night. The dog is told to blow a whistle when he sees a wolf, but he spends his time fooling his master by "crying wolf," and he proceeds to blow the whistle for no reason other than to excite the farmer.
On an African safari with his friend Grant, Clyde Beatty plans to buy some black-maned Numbian lions from Jo Carter but her animals are wiped out by a fire.
The new steward of Siltala ends up falling in love with the beautiful widow of the house. Their romance is endangered by misunderstandings and the fact that the estate of Siltala is swimming in debt.
Engineer Adel's journey from Europe ends and he returns to Cairo. He begins searching for his beloved Wedad, whom he had proposed to the wealthy lady, Nemat.