Spider is a 2002 psychological thriller directed by Canadian David Cronenberg and based on the novel of the same name by Patrick McGrath, who also wrote the screenplay.

Plot:

Spider is an exploration of a schizophrenic mind and is told through the eyes of a son whose father murdered his mother and replaced her with a prostitute. Gradually, it is revealed that memory and reality can be pliable, and that unstable concepts and events might not have unfolded as first appeared.