That's why the new "mountain doctor" love wears a hearing aid. Karin Bachmeier, played by Hilde Dalik (45), already revealed why she relies on hearing aids in episode one.
In an argument with her daughter Josie (22), Karin reveals that she was beaten by her alcoholic father when she was a child, which led to a hospital stay of several weeks and hearing damage. Her hearing never recovered, which is why she continues to rely on hearing aid even in adulthood.