Building councilor Anna Mahler secretly meets with a person who knows more about Max's whereabouts. Meanwhile, Janosch bumps into different people in his life and makes an astonishing discovery underground. Tyler gets into trouble with other homeless people because she introduces Nellie to the secret tunnel world. Magdalena pays a visit to her mother, who suffers from dementia, in a nursing home and lets public prosecutor Dominik Liebknecht in on her family background. Meanwhile, Lisa finds an ally. (thetvdb.com)