Takeshi Hongo is a promising young man with a passion for motorcycle racing. However, his dreams are suddenly ruined when he gets kidnapped by Shocker, the evil secret organization planning to dominate the world. After being remodeled into a cyborg, Takeshi escapes and swears to protect the world from the inhuman monsters.

The alien invasion force called Warstar destroy the Heaven’s Tower, the bridge between the Earth and the Gosei World, home of the Gosei Angels. Five apprentice Gosei Angels who happened to be on the Earth transform into Goseiger and fight to defend the Earth.

While police investigate a woman found dead in a derelict love hotel, a romance novelist's wife lives a life that seems simply a daily repetition without romance. To escape the loveless monotony, she follows her desires and becomes a nude model. Soon, she meets a mentor and begins selling her body to strangers, while at home, she hides behind the façade of the doting wife.

Haru is a rather cool fifth-grade elementary school student who shares the same tastes as her mother’s younger sister Yuko (Kaho) and can tell Yuko what she really feels. On the first day of the summer vacation, Haru is kidnapped. The culprit is her free-spirited father Takashi who disappeared from home two months ago.