"Street Fighter Alpha: The Animation" is a direct-to-video anime adaptation based on the "Street Fighter Alpha" video game series. The story is set in the broader "Street Fighter" universe and explores the events leading up to the World Warrior Tournament, focusing on the origins and conflicts of key characters.

The narrative centers on Ryu, a wandering martial artist dedicated to mastering his fighting style, Ansatsuken. Ryu struggles with the Satsui no Hado, a dark and destructive force within him that threatens to consume his humanity. His journey intersects with several other fighters, including Ken Masters, his friendly rival and fellow Ansatsuken practitioner, and Chun-Li, an Interpol officer investigating the criminal organization Shadaloo. Chun-Li seeks vengeance against Shadaloo for the death of her father, who was killed by its leader, M. Bison.

The plot intensifies when Ryu encounters Shun, a young boy who idolizes him and claims to be his younger brother. Shun’s presence triggers Ryu’s internal battle with the Satsui no Hado, as the boy becomes a target for Shadaloo due to his latent psychic abilities. M. Bison, the ruthless leader of Shadaloo, seeks to harness Shun’s powers to enhance his own Psycho Power, a malevolent energy source that fuels his strength.

As Ryu and Ken protect Shun from Shadaloo’s forces, they face off against several adversaries, including the assassin Cammy, who is under Bison’s control, and the enigmatic fighter Rose, who possesses her own connection to the Satsui no Hado. Rose serves as a guide for Ryu, helping him confront his inner darkness and resist its influence. The story builds toward a climactic confrontation between Ryu and Bison, where Ryu must decide whether to embrace the Satsui no Hado to defeat his enemy or reject it to maintain his humanity.

The anime delves into themes of self-control, redemption, and the consequences of power, while expanding on the backstories of its characters. It provides a deeper exploration of Ryu’s internal conflict and the moral dilemmas faced by those who wield immense strength. The narrative also highlights the interconnected fates of the fighters, emphasizing their shared struggles against Shadaloo and their personal quests for growth and justice.