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Although it frequently beggars belief, Andrew Douglas’ tale of English teens egging each other on to mayhem through instant messaging – produced, bizarrely, by Bryan Singer – is based on a true story.

One-to-watch Jamie Blackley is the teen led to vandalism, then violence, by the relationships he makes online; Toby Regbo, his real-world co-conspirator.

Massively unlikely, but compelling to the last, it makes a decent fist of conveying the strength of internet attachments, even if filtering the unfolding drama through endless computer screens becomes a well-worn device.

Matt Glasby is a freelance film and TV journalist. You can find his work on Total Film - in print and online - as well as at publications like the Radio Times, Channel 4, DVD REview, Flicks, GQ, Hotdog, Little White Lies, and SFX, among others. He is also the author of several novels, including The Book of Horror: The Anatomy of Fear in Film and Britpop Cinema: From Trainspotting To This Is England.