"Gatchaman Crowds Insight" is a 2015 anime series and the second installment in the "Gatchaman Crowds" franchise. The story is set in the near future, where humanity faces new challenges brought about by the rise of social media and collective decision-making. The narrative revolves around the Gatchaman, a team of heroes equipped with NOTE technology, which grants them special abilities to protect Earth from alien threats. The team operates under the guidance of JJ, a mysterious entity who assigns them missions to maintain balance and order.

The central conflict arises with the emergence of a new social phenomenon called "Crowds," a system that allows individuals to share their thoughts and emotions through a collective consciousness. This system is manipulated by a charismatic figure named Tsubasa Misudachi, who uses it to influence public opinion and create a utopian vision of society. Tsubasa's ideology, which emphasizes harmony and the suppression of individuality, gains widespread popularity, leading to a society where dissent is discouraged and conformity is enforced.

The Gatchaman team, led by Hajime Ichinose, must navigate this complex social landscape to uncover the true intentions behind Tsubasa's movement. Hajime, known for her unconventional and optimistic approach, challenges the team to think critically about the balance between individuality and collective good. Other key members include Sugune Tachibana, a disciplined and analytical fighter; Rui Ninomiya, a former antagonist turned ally who created the original Crowds system; and Gel Sadra, an alien member of the team with a deep sense of justice.

As the story progresses, the Gatchaman confront the consequences of Tsubasa's actions, which threaten to erase individuality and free will. The team must also deal with internal conflicts, as some members question the morality of their missions and the role of the Gatchaman in shaping society. The narrative explores themes of social manipulation, the power of collective thought, and the importance of preserving individuality in the face of overwhelming conformity.

The climax involves a confrontation between the Gatchaman and Tsubasa, who is revealed to be a pawn of a larger alien force seeking to control humanity. The team must unite to dismantle the Crowds system and restore balance, ultimately reaffirming the value of diverse perspectives and personal freedom. The series concludes with the Gatchaman continuing their mission to protect Earth, now more aware of the complexities of human society and the need for vigilance against both external and internal threats.