An imaginative boy who frequently makes things up witnesses a murder, but can't get his parents or the police to believe him. The only people taking him seriously are the killers - who live upstairs, know that he saw what they did, and are out to permanently silence him.

In 1940s Los Angeles, when womanizing composer Keith Vincent is found dead, the inquest concludes it was a suicide but police detective Joe Warne isn't so sure.