AlcatraZ or, (the high school zombie field trip)

Synopsis

An incorrigible student hides drugs he's stolen from his scientist fathers lab inside his teachers purse in order to avoid them being found during a surprise backpack search on a field trip to Alcatraz island. After boarding ferry the teacher gives one of the pills to the Ferry operator after mistaking the drugs for regular aspirin. The Ferry operator after docking feels worse and go's to the infirmary on the island. There he transforms into an undead flesh eating zombie setting off a chain reaction of attacking and turning all those that he encounters. Soon the teachers and students must are surrounded by rabid hungry zombies. The field trippers in order to survive must escape from the unescapable island prison or face being eaten and turned into the undead themselves.