Since childhood, Anon has been warned to avoid orca territory. Despite this, Anon, an adult shark, explores the ocean depths alone, often venturing beyond the pack’s boundaries. One day, while playing near the orca territory, Anon’s friends flee at the sight of orcas, and Anon is encountered by an orca named Ghost, who is scarred and wears a skull-like mask. Anon must explain their presence to the mysterious and powerful guardian of the depths.