David 'Bishop' contacts native American Thomas Logan, who has developed a herbal compound to calm down high strung racing horses, hoping it might cure his condition.

As 'David Blakeman', Banner is trying to earn some money working on an oil rig. The owner's daughter takes a liking to him, but fierce competitors will do anything to sabotage their work.

In Mexico, David 'Baily' has secluded himself from other people to keep his rage in check. But Gail Collins, another doctor on the run stumbles upon his hiding place. Now McGee and others are looking for both of them.

Banner has lost his memory after a car crash. With his face wrapped in bandages, he accepts Jack McGee's proposition to see a specialist. Unfortunately, their plane goes down in the woods and Jack injures his legs. Now it is up to David to get them out of there.

'John Doe' and McGee bond while keeping ahead of the forest fire and a pack of wolves. After transforming into the Hulk, Banner regains his memory and when McGee witnesses a second transformation, he finally realizes the Hulk is not a green creature full time.

David returns to master Li Sung, who has become ill and wants a promising student to take over his work. Unfortunately, the young man is torn between the school and his work as a policeman.

As a medic for a rodeo, David discovers that an aging cowboy has a serious health condition that could prove fatal; meanwhile, the cowboy's younger brother is mixed up with a gang of cattle thieves.

David becomes a taxi driver for a cab company whose owner is on the verge of losing the business to a greedy loan shark.

After being invited to a remote island, David becomes the quarry of a psychotic hunter.

While working the night shift at a department store, David and his co-workers end up being held hostage by two brothers who want to rob the place.

David is befriended by a motorcyclist, who inadvertently gets him mixed up in a gang-related conflict.

Unbeknownst to David, the car that he is renting happens to be filled with stolen money. To make matters worse, David ends up being pursued by the thugs who are trying to fetch the loot.

David discovers the legend of another Hulk, and investigates in the hope of creating a cure for himself.

David's attempt at a cure is hindered by the other man's exposure to radiation, which revives the murderous Hulk persona the man was cured of many years before. Now, David must produce enough antidote to cure both himself and the other man before more carnage occurs.