While Professor Yun, one of the world's leading authority on genetics, is abroad, Oh In-cheol and his fiancee Yun Jin-suk take the professor's papers from his laboratory. In-cheol and Jin-suk are researching the principle of the chlorophyll and a pill that can make people invisible. In-cheol becomes invisible and catches bank con-men and child kidnappers, etc. He works hard to expose society's evil and he is pasted all over newspapers. However, the criminals follow him and discover his identity. They steal his invisible pills. The criminals become invisible and they go on to commit their crimes such as robbing banks. But they don't have any pills to reverse the effects. The criminals ultimately come to In-cheol looking for the reverse pills when they are caught by the police.

While working on a case with farmers, lawyer Heo Seung comes to believe that the rural development movement is the only lasting way to preserve the identity of the country. With conviction, Seung throws himself into the rural area. However, this position is against the Japanese occupation policies and eventually, even his wife, Yun Jung-sun, ends up leaving him. The Japanese judge Masaki Hiroshi determines that Seung's rural development activities are actually a rebellion against Japan. He has Seung imprisoned as an ideology criminal. After spending five years in jail, Seung returns to the country to see his wife, Jung-sun, continuing her husband's work and waiting for him.

When his 'liberal' wife dies, middle aged Jang Tae-yeon stays single for the sake of his only child. When he meets Hwang Yu-young, who is in her twenties, by chance, Tae-yeon gets remarried. Yu-young becomes a young housewife enjoying a well-to-do life. However, as the days go by, she grows more disgruntled by the generation gap between her and her husband. Tae-yeon gets more caught up with his friends. When he finds out of his wife's gradual transformation into becoming a 'liberal' wife, he dies from the shock. Yu-young regrets her husband's death and she realizes too late what it means to be a housewife.

A Korean woman raised in Spain with European values towards life and romance finds living in her ancestral land stifling and it eats away at her vitality.

North Korean agents are sent to Seoul to disrupt the visit of important international dignitaries.