Read on for a synopsis, and details of how to enter the giveaway...
#SurviveSINISTER On Valentine's Day! From 8.00pm Thursday 14th Feb press play and watch your copy of Sinister and join in the fun on twitter following the hashtag #SurviveSINISTER. Share the fear and win prizes. The Sinister team will be online from 7.30pm tweeting from @Sinister_UK to help you get ready!
Desperately in need of a best seller to revive his struggling career, true crime writer Ellison (Ethan Hawke), moves his family to the scene of his most recent story; the unsolved, gruesome murder of a loving, happy suburban family.
Shunned by the local community and strained by his obligations to his family, the discovery of a batch of home movies in the attic offers Ellison shocking proof to the crime he is investigating and the terrifying realisation that his investigation may be putting his family in mortal danger.
Pre-order Sinister on Blu-ray.
To be in with a chance of winning, firstly make sure you like us on Facebook (or follow us on Twitter)...
...Then complete your details below, using the subject heading "SINISTER". The competition closes at midnight on Saturday, February 24th. UK entrants only please.