A group of American teens comes to Ireland to visit a friend who takes them on a camping trip in search of the local, fabled magic mushrooms. When the psychedelics start taking hold, the panicked friends are attacked by ghostly creatures; but how can they determine whether what they are experiencing is reality or hallucination?

Soon after getting a new phone, a woman notices strange things starting to happen. When she investigates, she discovers that everyone who has had her phone number before her has died suddenly and mysteriously.

Jiney is an popular art and photography student, but despite winning an award, she remains unhappy with her work. After photographing the aftermath of a fatal car accident, she finds herself obsessed with death. Suffering from morbid throughts, flashbacks of an incident from her youth when she was sexually abused by some young boys start to appear.

Into the bully-infested home room class struts a fearless, ceramic-masked student. Squarely confronting a gang of ruffians, it is soon discovered that behind the mask is none other than Danta, an otherwise weakling student who has heretofore been picked on relentlessly by these same bullies. Donned with his mask, however, Danta exhibits a totally other personality, lacking fear and intimidation. The other students, looking on, soon experiment with the power of masks and find to their glee that behind a facade of anonymity, they experience an overwhelming power to act without the confines of self-consciousness.