Sally Cowdin

Beneath the decadence of 1929 Berlin, lies an underworld city of sin. Police investigator Gereon Rath has been transferred from Cologne to the epicenter of political and social changes in the Golden Twenties.

In 1918, at the end of World War I, young Emil Dreesen returns from the battlefield with the intention of taking over the family business, an elegant hotel on the banks of the Rhine.

The warmhearted story of Polish immigrant and mathematician Stan Ulam, who moved to the U.S. in the 1930s. Stan deals with the difficult losses of family and friends all while helping to create the hydrogen bomb and the first computer.