Poppy and Mila have been friends since second grade, but the separation of university has weakened their strong relationship. Clinging to the once indestructible friendship, Mila flies to Los Angeles to visit Poppy. But from Poppy’s edgy new look, to the peculiar location of their meeting—a nightclub called Synth in the heart of the city—it’s troublingly apparent that there’s something different about her best friend.

Poppy reveals she’s involved in a life-changing ritual and begs Mila to join. What Mila doesn’t realize is that she doesn’t have a choice. She’s being watched and Poppy has made promises that cannot be broken …