Updated Synopsis for Stare

Tyler has an average life until one day he is on his way to work and sees someone out of the corner of his eye, he takes a look back but the man is gone. He continues to see this stranger through out his day, the more he sees him the clearer he becomes and Tyler realises this man is wearing a sheep mask.The days become worse, his paranoia grows and he starts to see the man everywhere he goes. No one believes him, not even his girlfriend. Is he really going mad and it's all in his mind? Or is everyone lying to him?