There are a couple of ludicrous twists at the end that make it very watchable.

Middling at best in terms of suspense mechanics, and not the most perceptive treatment of mental illness you'll ever see, this nonetheless compels interest as a well-acted drama-cum-mystery...

This is ultimately a nuanced character study, awkwardly wedged into a run-of-the-mill genre picture.

Rain’s life as an ordinary teenager with mental illness is not really teased out. It could have been an indie film that did not exploit mental health struggles to attract audiences interested in horror, or it could completely embrace the exploitation