<p>Christine wakes up one morning to discover that her husband, Ray, did not come home from his evening out with a friend. She waits to hear from him but has no message or news. The friend she thought he had arranged to see has left a phone message to say that he is sorry they did not meet. Ray's work believe he has gone away on sabbatical and the police are sympathetic but unhelpful.<br><br>Ray is gone and there is no reason to think he mig...