It was two months ago when it all started

Addilyn and her little brother Jayne get stuck in a zombie apocalypse. They head to Addy's best friend Jemma's house. As far as they know she alive. On the way they run into Becky (the queen bitch of the school) and Mason (the hottest hottie ever). They all stick together and head to Jemma's house. Once they save Jemma they head to find Addy's big brother and his boyfriend in Auckland.