Mystery takes on a new twist when Broadway playwright Alex Dennison (Robert Preston) invites the cast and crew of his new play to a cold reading of the script. But what the participants don't know is that the gathering is ... more »part of a scheme to uncover the criminal behind the murder of his love, Monica Welles (Lynn Redgrave). As the actors read their lines in a darkened theater and re-enact the events leading up to Monica's death, the killer doesn't realize that the trap has been set - and the bait has been taken. Also starring Jeff Goldblum.« less