A group of college students sets off on a night bus to go on vacation. On the way, one of them develops a stomachache and asks the driver to stop at a service area along the highway. But when he returns from the bathroom, the atmosphere inside the bus is very different...

who departed on a trip with 
three friends on a night bus.
der mit zusammen mit drei Freunden
mit dem Nachtbus unterwegs war.
partis en voyage
à bord d’un bus de nuit.
partito per un viaggio
con tre amici su un autobus notturno...
que partiu em uma viagem com
 três amigos em um trem noturno.