"Inuyasha the Movie: Affections Touching Across Time" is the first feature film in the "Inuyasha" franchise, expanding on the events of the original series. The story begins when a demon named Menōmaru, a servant of the deceased demon lord Hyōga, seeks to avenge his master by targeting Inuyasha and his companions. Menōmaru and his siblings, Ruri and Hijiri, aim to harness the power of the Shikon Jewel shards to resurrect Hyōga and unleash his destructive power upon the world.

The narrative unfolds as Menōmaru manipulates Kagome, Inuyasha, and their friends by exploiting their emotional vulnerabilities. Menōmaru uses his ability to create illusions, trapping Kagome in a dreamlike state where she relives memories of her life in modern Tokyo, separated from Inuyasha. Meanwhile, Inuyasha is confronted with visions of his past, particularly his complicated relationship with Kikyo, his former lover. These illusions test the bonds between the characters, creating tension and mistrust within the group.

As the story progresses, Menōmaru captures Kagome and attempts to use her spiritual energy to complete the resurrection of Hyōga. Inuyasha, determined to save Kagome, confronts Menōmaru and his siblings in a climactic battle. The fight showcases Inuyasha's growth as a character, as he overcomes his inner turmoil and reaffirms his commitment to protecting Kagome and his friends. The resolution hinges on the strength of their relationships and their ability to work together to defeat the demonic threat.

The film explores themes of loyalty, love, and the struggle to overcome personal doubts, staying true to the core elements of the "Inuyasha" series. Key characters such as Kagome, Inuyasha, Miroku, Sango, and Shippo play pivotal roles, with their dynamics and individual arcs contributing to the emotional weight of the story. The movie serves as a self-contained adventure while maintaining continuity with the series, offering fans a deeper look into the characters' emotional struggles and their unwavering resolve to protect one another.