MacGyver and Thornton discover the wreckage of a DEA plane, which MacGyver determines was shot down by drug smugglers.

An archaeologist friend pays MacGyver a visit to get his help in using a map to find an ancient artifact called the Holy Rose.

MacGyver and his archaeologist friend continue on to London and France in their search for the Holy Rose. Along the way they come across a notorious jewel magnate who has deadly intentions.

A gang of young vigilantes is destroying the city's crack houses. MacGyver suspects that an ex-marine from the youth center is the person training the vigilantes.

MacGyver and the Phoenix Foundation are trying to help a Native American lawyer who's going to court to prevent a power company from building just outside their sacred land. When he loses, MacGyver decides to have some research done via satellite. When the company's rep hears of this, he worries what they might find. In the meantime, the lawyer was about to throw in the towel when an old tribesman talks to him. MacGyver goes to the reservation and discovers that the lawyer has taken arms and is doing what he has to to stop the company. Later, the rep shoots MacGyver in an attempt to frame the lawyer. While the rep chases the lawyer, MacGyver escapes and holes up in an old mine where the old man comes to him. He helps MacGyver and tries to show him what he showed the lawyer. MacGyver, upon seeing it, wonders the vision caused the lawyer to go on a rampage. He tells MacGyver, he probably misinterpreted what he showed him. And he gives MacGyver some information he needs.