When 82-year-old Mary takes her 63-year-old disabled son on a houseboat vacation on Lake Lychen in Brandenburg, things quickly go south as the boat becomes a prison, trapping them within the difficult emotional web of their relationship.
| Actor | Role |
|---|---|
| TTraute FurthnerNot listed | Not listed |
 Peter KernNot listed | Not listed |
| JJoao Moreira PedrosaNot listed | Not listed |