1944, Northern Italy. US Army Officer Howard Bailey is sent on a secret mission beyond the enemy lines in order to retrieve contact with Crawford, a local partisan leader and radical scientist gone off the radar weeks before.

A young woman hears a mysterious noise over the radio and pursues it -- with dangerous consequences.

In this sci-fi retelling of Edgar Allan Poe's "The Tell-Tale Heart," a pair of astronauts work on a small space station orbiting a distant planet. As the mysterious narrator attempts to convince himself of his sanity while describing his brutal act of murder, he becomes haunted by a thunderous heartbeat that could only come from the far reaches of space.