Ambrose Mordrake, born with a violent, mind controlling deformed growth on the back of his head, unexpectedly returns home for his brother’s engagement dinner. Whilst weary of his return, his brother Matthew and his fiancé Catherine are pleased to see him, much to the chagrin of his mother. Ambrose attempts to insert himself back into the family life, who keep him at an arm’s distance.

With the increasing tension between the family and the growth’s voice becoming more aggressive, Ambrose’s paranoia and delusions begin to take over. In order to fit in with his family’s image, Ambrose must battle his inner and outer demons in a bloody and tragic fight for control of his mind.