 Willy Jenkins and his greedy and cynical roommate Cameron Streckman have just finished the medical school and are traveling together before starting residence. While driving through a country town where Willy spent his childhood, they stop for resting and having meal, and they hear an intriguing story about the strength of the retired physician and Willy s acquaintance Dr. Daniel Green. They become curious and go to Dr. Green s farm where they meet the old man, who tells them that he lives alone with his sick wife and invites them to have dinner with him. While eating chili and drinking beer, Dr. Green tells the story about a miraculous Chinese medicine that he has been using for years, awakening greed in the ambitious Cameron with fatal consequences.