A set of binoculars (not to mention a cougar) watch Walt, Matt, Coach Curtis, Pam, Lisa, Anne, Fletcher and Ted hike into the mountains to build a survival shack. (Anne's boyfriend had died from exposure). On the way up, Pam sprains her ankle. Walt mentions privately to Matt that Matt's father loved the mountains. That night, Lisa is complaining about just about everything. Fletcher won't accept help in setting up his tent. Ranger Campbell arrives and warns them to be a cautious. Two patients from West Valley Mental Hospital escaped into the mountains some time back and might be dangerous. Arguments start and Lisa runs off, then screams. The others pull her down from a rope snare. When they get back to camp, the camp has been destroyed, along with their radio. The group votes to stay. The next day, while gathering wood for the shack, the girls take a quick dip in a pond. Something or someone grabs Lisa's leg and frightens her. During dinner around the campfire, the cougar thre (thetvdb.com)