After Arno finds out about Nico 's lies , she confesses to him that she has prove that Johannes von Lahnstein is her biological father .
Arno and Elisabeth think Nico is on a school trip , while she is working as a maid .
After Arno finds out about Nico 's lies , Elisabeth confesses to Arno that Elisabeth has prove that Johannes von Lahnstein is Elisabeth 's biological father .
Arno and Elisabeth think Nico is on a school trip , while she is working as a maid .