Ghost in the Shell: Arise - Border 3: Ghost Tears follows Motoko and Batou as they confront a terrorist group linked to the Scylla symbol. Their investigation intersects with Togusa's case, which involves a murder victim who owned a prosthetic leg from Mermaid's Leg. Togusa's inquiry leads him into the world of cybernetic enhancements and the company behind the victim's limb. The two cases ultimately become connected.