"Canary" is a science fiction anime series set in a dystopian future where humanity has colonized multiple planets. The story revolves around a young girl named Miu, who possesses a unique ability to communicate with a rare species of alien birds known as Canaries. These birds are not only sentient but also hold the key to unlocking ancient technologies left behind by a long-extinct civilization. Miu’s ability makes her a target for various factions, including the oppressive Galactic Federation, which seeks to exploit her powers for military dominance, and a rebel group called the Free Sky Alliance, which aims to use her to overthrow the Federation’s tyranny.

The narrative begins with Miu living a secluded life on a remote planet, unaware of the significance of her gift. Her life changes when she encounters Kaito, a rogue pilot and former Federation soldier who has defected after witnessing the Federation’s atrocities. Kaito becomes Miu’s protector and mentor, guiding her through a perilous journey across the galaxy. Along the way, they are joined by other key characters, including Rina, a skilled engineer with a mysterious past, and Jiro, a former scientist who once worked for the Federation but now seeks redemption.

As the group travels, they uncover the truth about the Canaries and their connection to the ancient civilization. The birds are revealed to be bio-engineered guardians designed to protect the remnants of this civilization’s advanced technology, which could either save or destroy humanity depending on who wields it. Miu’s ability to communicate with the Canaries becomes crucial in deciphering the secrets of this technology, leading to a race against time as the Federation and the Free Sky Alliance clash over its control.

The series explores themes of power, morality, and the consequences of technological advancement. Miu’s journey is one of self-discovery, as she grapples with the responsibility of her abilities and the impact they have on the world around her. The relationships between the characters evolve as they face numerous challenges, including betrayal, loss, and the ever-present threat of the Federation’s relentless pursuit. The story builds toward a climactic confrontation that forces Miu and her companions to make difficult choices about the future of humanity and the role of the Canaries in shaping it.