An FBI agent takes on a plane full of deadly venomous snakes, deliberately released to kill a witness being flown from Honolulu to Los Angeles to testify against a mob boss.

It's the weekend, and the lads are off on the town! What could possibly go wrong? How about the end of the world as we know it. 'Something' has happened, the undead are out in force, roaming the streets and devouring all who get i...