The three detectives are his young friends Bob Andrews, Pete Crenshaw and Jupiter Jones. They live in a town near Hollywood. Their stronghold is a salvage warehouse, their headquarters is an old caravan in which they have equipped a crime laboratory. Their agency "Three Detectives" reveals any secrets, riddles and puzzles. Friends detectives boldly take on the most important and complicated cases and bring them to the end with honor.

The Mystery of the Mexican VacationThe Chief Detective won a free trip to a Mexican ranch. Jupiter decided that it was not worth giving up the prize, although the victory seemed suspiciously easy to him. The premonition, as always, did not let the insightful guy down! Mexican vacations turned out to be a dangerous trap. Will Jupiter, Pete and Bob get away with it?