Space ships and zombies

I am on the crew of a space ship. We're shipping about a thousand people over to a new colony. They sit in long rows in the passenger lounge, staring out through virtual windows. They're very quiet.

We have to make a pitstop on a small forested planet. The crew gets out to stretch their legs, get some air, take a piss. Going back to the ship, someone is shooting at us from the entrance. Crew members are falling down around me. I throw myself down on the ground and creep slowly forward to see who's shooting, but I can't see anything, so I crawl away from the ship instead.

A bus comes by, so I get on. It arrives in a city. At the next bus stop, a group of zombies in togas get on. They're curious about me and try to communicate, but I won't have any of it.