They meet on the plane from Dakar to Casablanca: the well-known American defense lawyer Vandegrift, his daughter Jessie and the arrested Peter Roland, who allegedly kidnapped and murdered the famous film child Binnie Casilla in Stockford in 1928.
The feisty boss of a chain of cafes wants to push the youngest of her daughters off on a husband, who would be well-suited to take over the business one day.
Trixie is a female pilot looking to win a big race to advance her career. During one race, however, her plane becomes damaged, and she needs help to repair it.
After being criticized by the Citizens' League for his inability to cope with a crime wave, Police Captain Haines orders his men in the Homicide Bureau to clean up all their cases, but without violating the constitutional rights of any suspect.