In a massive, mysterious chamber, fifty strangers awaken to find themselves trapped with no memory of how they got there. Organized in an inward-facing circle and unable to move, they quickly learn that every two minutes, one of them must die…executed by a strange device in the center of the room.
Man-eating crocodiles return to the lake as two males and one aggressive female crocodile, which is protecting her nest, wreak havoc on the locals.
After being stung by a giant insect, Cooper learns that these bugs are attacking the whole city. He joins forces with the survivors, in order to find a way to counter-attack.
