When Jan eventually is tied to the murder of Fritz Konrad , Arno publicly defends his son while he 's on the run .
Even though it 's Jan 's birthday , father and son clash over Arno 's expectations with his son .
When Jan eventually is tied to the murder of Fritz Konrad , Arno publicly defends Arno son son while he 's on the run .
Even though it 's Jan 's birthday , father and son clash over Arno 's expectations with his son .