As ordinary people we all strive to find true happiness in life. But no... not like this.... something is REALLY off about this...

you're in an underground cave with other survivors, the entrance to the cave had a Human Barrier around it, so that means no Smilers (infecteds) can't enter. Outside the cave was a facility, but watch out! There's Smile Puddles (white water) around, don't step in it or you'll turn into a Smiler! Next to the entrance is Jeff, a guy who gives out weapons