Quincy is on the way to Las Vegas to take part there as a judge in a beauty pageant. There by chance he witnesses as a man is hit by a bus while crossing the street. Quincy finds a cache of diamonds near the corpse. The snoopy forensic doctor interferes once again with the police search. Besides, he finds out that the precious stones were intended for infamous fence André Otero. Quincy, playing a courier, tries to make contact with Otero and offers the diamonds against a ransom for him. Otero accepts but Quincy fears the crook has something in hiding for him.