Masked figures with machine guns march into the secondary school in Karatas, take the pupils hostage, and execute one of them. They make no demands. Silent terror is their modus operandi. Seeing as the army will take two days to arrive due to a snowstorm, maths teacher Tazshi decides to assemble his own assault team: his ex-wife, the gym teacher, the cowardly school principal, ...。Locked in her flat for several years, a reclusive young woman stumbles upon a mysterious web community. According to an urban myth, the Suicide Club grants death to those wishing for it. Unless these "cyber suicides" are actually murders.。