MacGyver travels to Budapest to meet with a Russian double agent who is in possession of a watch containing information about other Russian spies. However, before MacGyver can take the watch, the agent is killed and the watch is stolen. Now MacGyver must work with the Gypsies to get it back.

MacGyver attempts to get a reporter out of a Central American country with evidence linking a general to an illegal arms dealer. As they reach the border, it is clear escaping to Mexico will be no easy task, as the general and the arms dealer have every imaginable route severely guarded.

MacGyver comes along on a expedition to Brazil with his friend, entomologist Dr. Alden. They meet with a landowner and recluse, Trumbo, who is initially hostile. However, when they realize that a mile-wide column of army ants is moving through the jungle, they team together to mount a defense.

After blowing away a nuclear facility under the control of an aggressive world leader, MacGyver returns home for some peace and quiet, only to find his boss waiting for him. He advises MacGyver that a contract is out on his life and he needs to skip town for awhile.