Former chief commissioner Peter Wolff thinks he saw Isa von Gems. The girl disappeared without a trace ten years ago. Father Heinrich is horrified because old wounds will open again.
The young woman actually appears to be Ida von Gems. The news spreads rapidly in Lotheim and causes excitement.
The DNA test removes all doubts: it is actually Isa von Gems.
Isa narrowly escaped the murder attack. Peter Wolff travels to France. Isa is said to have been there.
Isa seeks consolation from Robert, the only one she still trusts.
Isa confronts her family with the truth. That has tragic consequences.