A sick Lucan rambles about the crime he witnessed and is suspected of being the culprit, but the real danger is his guilty doctor.

Prior to the eruption of a forest fire, Lucan rescues a domesticated wolf on his way to a mountain rendezvous with his friend Dr. Hoagland.

An eccentric millionaire holds Lucan hostage to acquire Dr. Hoagland's newly developed antidote for hallucinogenic poisoning to cure his drug-addled son.

A government agent plots to use Lucan's superb tracking instincts to locate a hidden gold mine.