The story revolves around Casey Davis, a timid and clumsy accountant who is attacked by a group of bikers and decides to take up karate to defend himself. He joins a local karate academy, led by the charismatic Sensei Leslie, who teaches him the ways of karate and helps him build confidence.
As Casey progresses in his training, he becomes more aggressive and starts to adopt Sensei's ideals, including his misogynistic views. Casey's transformation is marked by his newfound ability to stand up for himself, but he also starts to lose his sense of morality.
Meanwhile, the true nature of the karate academy is revealed, showing that Sensei and his top students are using their skills to attack and terrorize innocent people. Casey eventually discovers that the academy is a cult-like organization, and he decides to take down Sensei.
In the end, Casey kills Sensei with a pistol and takes over the academy, promoting Anna, a skilled karateka, to be his second-in-command. Casey starts to teach a new ideology to the students, and he hangs a photo of his deceased dog next to the Great Master's portrait, symbolizing his newfound authority and power.
Here are the key facts extracted from the text:
1. Casey Davis is an accountant who was attacked by a gang of bikers.
2. Casey was severely beaten and sent to the hospital.
3. After the attack, Casey became afraid to leave his house.
4. Casey saw a TV show about a man defending himself with a pistol.
5. Casey decided to buy a pistol for self-defense.
6. Casey passed by a karate academy and became interested in joining.
7. Casey met Sensei, the instructor at the karate academy.
8. Sensei teaches a unique style of karate that incorporates techniques from other disciplines.
9. Casey began taking karate lessons and quickly became devoted to the practice.
10. Casey received a yellow belt, a symbol of his progress in karate.
11. Casey's boss called him to return to work, but Casey was hesitant.
12. Casey's colleagues offered to befriend him after he stood up to his boss.
13. Casey attended a night class at the karate academy, which was much tougher than the day class.
14. Casey was promoted to a yellow belt with a black stripe.
15. Sensei revealed that the Great Master, the founder of the karate style, was killed by a gunshot wound.
16. Casey was tasked with attacking a drunk biker as part of his training.
17. Casey's dachshund was severely beaten and later died.
18. Casey discovered that the karatekas were responsible for attacking him and his dog.
19. Casey was given a red stripe, which is awarded for killing a person.
20. Anna, a karateka, revealed that she had killed a student who was higher in rank than her.
21. Casey discovered a forbidden room at the karate academy containing videotapes with incriminating evidence.
22. Henry, a student, was found dead, having hanged himself with his blue belt.
23. Sensei, whose real name is Leslie, was challenged to a mortal match by Casey.
24. Casey shot and killed Sensei with a pistol.
25. Casey became the new leader of the karate academy and introduced a new ideology to the students.