Covering for her fiancé, a woman takes a road trip to meet with their wedding planner to lock down their perfect venue. As plans and cell service go awry, she and her fiancé attempt to contact each other before they're at risk of losing their dream wedding.

Six friends find themselves diverted from a rock gig to a fight for their lives. Lost and afraid they soon discover their refuge is not the sanctuary of a hospital they first thought and find themselves in a bizarre struggle with Lydia, a Demonic Siren who needs to keep them alive so that she can perform the Dark Passage of Four that will grant her immortality.

A social media influencer slowly deteriorates in front of her followers after her husband leaves her for another woman.