Sarah Kohr — Murder in the Old Country sees the young, confident inspector working on her next case. Thomas Lichter flees the scene just before he’s sentenced to life in prison for the murder of his lab assistant and takes Sarah hostage. Sarah escapes and joins the manhunt. But no sooner has she tracked Lichter down before she saves him from an assassination attempt. Sarah and Lichter get caught in the crossfire of assassins and the police as their discoveries lead them to a far-reaching scandal involving a chemical company.