It’s the five-year anniversary of Jake’s death, and his 18-year-old sister Jaycee is still grieving. In order to feel closer to him, she wears his clothes and recreates the daredevil stunts he performed while exploring abandoned sites and buildings. A group of friends decide to tag along with her: Nathalie, her bossy, cautious ex-best friend, Zach, an inveterate gamer, Bishop, a broken-hearted young man, and Mik, Jake’s mysterious friend. Will Jaycee…