Every day at 6 pm a serial killer kills another person. Police officer Helena Rus thinks the killings are done by one man only and decides to reveal the killer's identity by getting back in 18th century history of the city. Every day at 6 pm a serial killer kills another person. Police officer Helena Rus thinks the killings are done by one man only and decides to reveal the killer's identity by getting back in 18th century history of the city. Every day at 6 pm a serial killer kills another person. Police officer Helena Rus thinks the killings are done by one man only and decides to reveal the killer's identity by getting back in 18th century history of the city. Every day at 6 pm a serial killer kills another person. Police officer Helena Rus thinks the killings are done by one man only and decides to reveal the killer's identity by getting back in 18th century history of the city.