When a broken urn containing her grandfather's ashes falls from a window, Alice discovers the urn is empty. She learns her grandfather didn't die as everyone believed, but vanished mysteriously in Telc on September 2nd, 1946. Her grandmother recalls a mysterious man in dark glasses being connected to his disappearance. Determined to uncover the truth, Alice follows her grandmother’s clues to a shoemaker and receives her grandfather’s invention: the Force-fields Accelerator. Alice tells her boyfriend Petr about the device, and he uses the professor's instructions to build a time machine. Together, they travel back to 1946 and find Alice's grandfather and his daughter Blanka, who would later become Alice’s mother.