A man's hypochondriacal relationship with his mother.

Tom, a Flemish actor, stands in for a dubbing friend at a moment's notice. Usually, Tom does voice work for characters in animated films. Today, he finds himself in the the studio for a pornographic film in French. Catherine, an experienced actress, will be his partner. Tom will play the Plumber.

Lisa, a young speech therapist, heirs a house from an unknown man who died over 20 years ago. She is not in any way related to this man and she doesn't know him. When she moves into the mysterious building, she becomes trapped in a true labyrinth...