She uses her photography work as a cover, accompanied by Mac as her model, and Henry dispatches the pair all over the world to assist American citizens in trouble or apprehend criminals.

After the death of actor Jon-Erik Hexum, who played Mac, the episode "Writer's Block" introduced Dani's new assistant, Jack Striker.

Despite the change in the lead male character, the ratings held steady throughout the winter of 1984–85, though at a level too low to avoid being canceled after its first season.

He began playing Russian roulette with a fully functional .44 Magnum revolver whose cylinder was empty except for one chamber loaded with a blank cartridge.

A bone fragment the size of a quarter was driven into Hexum's brain, causing massive hemorrhaging, and he was rushed to the hospital for emergency surgery.