"Article 20" is the first domestic law-themed film focusing on the issue of "justifiable defense" Legal experts explain how to apply legitimate defense. The key to determining what constitutes legitimate defense in judicial practice is to accurately grasp the cause conditions, time conditions, object conditions and intention conditions.

The country, public interests, personal, property and other rights of oneself or others shall be protected from illegal infringement. You can defend yourself against illegal infringements such as illegally restricting others' personal freedom and illegally intruding into other people's homes.