Things change, from when you were young. Once, Delilah Cook lived in Sydney, was best friends with a boy called Luke Hemmings, and had big dreams of being a singer. Then the terrible, tragic and unexpected happened. Now, Delilah lives in Melbourne, is recently signed music artist, has a best friend named Emilia Jones and doesn’t think about Luke anymore. At least, that’s what she tells herself. But when Delilah finds herself on a tour with the 5SOS boys of her past, what could possibly go wrong?

5 Seconds of Summer are reserved to stay in a house in Nevada. It seems to be right in the middle of no where, but that's where they're vacationing. Something is wrong with this house, though. After eerie occurances, the four boys are trapped in the house. Will they survive the terrors that await them?