| Sandra is married to Jake, an alcoholic executive, but has a secret relationship with her brother-in-law Ben, who is attracted to Peggy, a woman who hides a dark side known to few. When Sandra finds out, Ben mysteriously disappears. |
| Eight year old Peter is plagued by a mysterious, constant tapping from inside his bedroom wall—one that his parents insist is all in his imagination. As Peter's fear intensifies, he believes that his parents could be hiding a terrible, dangerous secret and questions their trust. |