Richard and Jane Elkinson are having their annual Christmas party. Only trouble is stockbroker Richard's been made redundant and, as the night wears on, the guests are becoming less tactful
When Edgar sees his girlfriend Betty getting up close and personal with his best friend Carl, he murders Carl in a jealous rage and hides the corpse under the floor of his piano room. Comes the night, and Edgar begins to hear strange sounds coming from under the floor...