Bruce Willis is to star opposite Halle Berry in a new psychological thriller called 'Perfect Stranger'.
Variety reports that the film tells the story of a woman (Berry) who goes undercover on the Internet and in the outside world to investigate a friend's murder.
Willis will play one of the chief suspects that Berry's character is investigating.
The film, directed by 'Confidence' and 'Glengarry Glen Ross' helmer James Foley, is expected to begin production in early 2006.