A United Nations investigator crosses paths with a pair of psychic sisters on his way to Trollenberg observatory in the Swiss Alps, which has been plagued by a series of mountaineer disappearances that may be related to a radioactive cloud at the mountain's south face.
In a world ravaged by a rabies virus that turns people into hungry cannibals, Alice a pregnant survivor, along with two other men, struggles to reach an island unaffected by the plague. Meanwhile a dangerous man is on the trail of a mysterious girl, and Alice soon discovers that zombies are not the only threat.
In a dark subterranean landscape, the Amphibian has lost its way.
