"Super Sentai Himitsu Sentai Gorenger" is a manga adaptation of the 1975 live-action television series of the same name, which is considered the first entry in the long-running Super Sentai franchise. The story revolves around a team of five young operatives who form the Gorenger squad, tasked with combating the secret criminal organization known as Black Cross Army. This group seeks world domination through acts of terrorism, sabotage, and the creation of monstrous bio-weapons.

The Gorenger team consists of five members, each identified by a color-coded uniform and a unique skill set: Aka Ranger (Red), Ao Ranger (Blue), Ki Ranger (Yellow), Momo Ranger (Pink), and Midorenger (Green). They are led by their commander, EAGLE, who provides guidance and support from their secret base. The team operates under the guise of a traveling carnival troupe, allowing them to move covertly while investigating Black Cross Army's activities.

The narrative unfolds episodically, with each chapter typically focusing on a specific mission to thwart Black Cross Army's latest scheme. The Gorengers face a variety of adversaries, including human agents and monstrous creations, often culminating in large-scale battles. The team employs a combination of martial arts, advanced technology, and teamwork to overcome their enemies. A recurring element is the use of their signature weapons, such as the Gorenger Stick and Gorenger Bombs, as well as their mecha, the Variblune, which transforms into a powerful combat vehicle.

The Black Cross Army is led by a mysterious figure known as the Black Cross Führer, whose true identity remains hidden for much of the story. The organization's operatives, including the recurring antagonist Zolders, pose persistent threats to the Gorengers, creating a sense of ongoing tension and conflict. The manga maintains a balance between action-packed sequences and moments of camaraderie among the team members, highlighting their dedication to protecting the world from evil.

Themes of justice, sacrifice, and unity are central to the narrative, as the Gorengers repeatedly put their lives on the line to uphold their mission. The story also explores the personal struggles and growth of each team member, adding depth to their characters. While the manga adheres to the episodic structure of the original series, it occasionally delves into overarching plotlines that reveal more about the origins of the Gorengers and the true nature of their enemy.

Overall, "Super Sentai Himitsu Sentai Gorenger" captures the essence of the original series, blending action, adventure, and teamwork in a format that appeals to fans of the Super Sentai genre. Its straightforward storytelling and emphasis on heroic ideals make it a foundational work in the franchise's legacy.