With their father's health waning, dashing Beau Geste and his bumbling brother Digby, contend with their gold-digging stepmother, Flavia. Beau vows to guard the family's valuable Blue Water sapphire from Flavia's schemes, but when the gem disappears, so does Beau—into the Foreign Legion. Digby soon follows, and the brothers face an eccentric sergeant, wild escapades, and chaos in the desert.
