A police officer is shot dead during an identity check at Hanover-Langenhagen Airport. What looks like a criminal's panicked reaction becomes increasingly mysterious. All surveillance cameras were out at the time of the crime. For Charlotte Lindholm, however, the case seems clear after just a few hours.

The body of a 16-year-old girl turns up in an incineration plant.

Charlotte finds herself in high society circles as she investigates the murder of a young girl.