The series "8 Zeugen" is a German crime drama about the kidnapping of a ten-year-old girl. Emma disappears in broad daylight from the Natural History Museum, where she was walking with her nanny. Her father, a well-known politician, is convinced that the criminals will soon demand a ransom, but no one contacts him. He asks for the help of gifted forensic psychologist Jasmine Braun. The woman must interview eight people who were present in the hall during the abduction in order to find the key to solving the crime in their memories.