Teenage detectives Frank and Joe Hardy investigate a supposedly haunted house reported to be the hangout of criminals.

On a winter vacation in Jamaica the Hardy boys begin a dangerous adventure when an ancient bronze death mask is discovered near their beach house.

A chance meeting with a stranger on the road provides the Hardy brothers with a clue to a gang of local burglars.

Strange events involve Frank and Joe Hardy in a mystery which shrouds an ancient treasure?the golden head of the Pharaoh Rhamaton IV. The owner of the million-dollar golden Pharaoh?s head claims it was aboard the freighter Katawa, which sank not far from Whalebone Island. But suspicious developments indicate that Mehmet Zufar may be trying to defraud the shipping line?s insurance company. Frank and Joe enthusiastically accept the challenge of their...

While searching for the guard end of a broken saber that will solve one mystery, the Hardy brothers become involved with a gang of bank robbers.

Their efforts to recover a stolen ancient chess piece lead the Hardy brothers to Hong Kong where they help smash an international criminal organization.

The Hardy boys find the missing deed to an Indians' land, prevent a phony salesman from carrying through a reckless scheme, and help their father solve a top-secret case.