A volatile new state calling itself Greater Manchuria emerges out of the political and military strife of Asia. Thanks to the connections of its brash leader, it boasts an atomic arsenal. Japan, threatened by its proximity to nuclear disaster, shocks the world by launching a sophisticated preemptive strike against its new neighbor.

Worldwide outrage at this aggression provokes the U.N. to blockade the trade-dependent nation. But Japan is ready—its sub fleet is armed to the teeth and thoroughly equipped to destroy the blockade. With the world now at the boiling point of all-out war, Admiral Michael Pacino gives his captain a "mission impossible" order to sink the Japanese submarine fleet. The gamble is desperate. The gamesmanship razor-edged. The warfare awesome …