Two Korean college graduates arouse the suspicions of Japanese authorities after modernizing a rural community with a school and a youth hall.

Young-ae is a prostitute who obsesses over money after losing her daughter to illness. Her co-workers are jealous of her. When a prostitute named Mrs. Kangwon dies after giving a birth, Young-ae takes the baby under her care and leaves the brothel district. Although she struggles to make ends meet and provide a home for the child, the child is taken away by the authorities because she is single. She decides that her old life is the only ground for living she has and returns to it.

Kanemoto served five years in prison for attacking Masao of the pro-North Korean organization, the killer of the president of the company who brought him up. Released from prison, Kanemoto gets injured fighting Masao again. Harumi, who lives with her brother Genichi, takes care of Kanemoto. When Genichi visits Korea and reveals the pro-North Korean organization's lies, he becomes their target. This also places the life of Harumi and their family at risk and only Kanemoto can save them.

Kang Dae-Ho, a naughty boy used to be an academic failure, could not be more different than Ko Eun-Bi, a prim girl and model student. On one stormy day, lightning strikes both of them and knocks them unconscious.

Er Woo Dong translates to "entertainer," a rough approximation of the duties of 14th-century Korean courtesan Er Yoon Chang. After a lifetime "in service," Er Yoon Chang retires to a faraway village. Meanwhile, her powerful father, ashamed of his daughter's lifestyle, dispatches an assassin to do her in. Er Yoon Chang is protected by her faithful deaf-mute bodyguard, but only up to a point.