A deadly virus is turning the world's population into walking corpses. While the world erupts into chaos around them, Takashi Komuro and his friends frantically search for a way to break free from the living dead.

The enemy's weak points are discovered and exploited. The human condition is put to the test, and everyone's base survival instincts kick in. Tensions rise as more people swell the ranks, and one survivor refuses to continue with the group