It tells the story of an estranged couple, played by Mühe and his wife Susanne Lothar.
A legal battle with Susanne Lothar, Mühes widow, prevented a release of the film for three years.
The two German expatriates spend most of their time in a house they own in the beautiful and remote countryside in Italy.
But when Claire's sister gets murdered in the very same house, the traumatic event threatens their relationship.
Disappointment, fear and resentment they swept under the rug for years, resurface.