Han and Yan, two macho mountain shepherds whose pastures are divided by a national border, are in the middle of an age long battle of antagonism when a time-traveling spaceship crash lands, demolishing their border fence. The ship’s attendant announces that the end of the world will occur in 32 minutes and that the finest representatives of each species should queue '2 by 2'. Noah has returned in his space-ark. It dawns on Han and Yan that their only chance of survival is to work together, come up with a scam and trick their way onboard...