A pair of young Czech lovers search the streets of old Prague for a mysterious object, which may or may not be the fabled Philosopher's Stone, in director/co-writer Jan Nemec's haunting allegorical fantasy, a mix of narrative drama, historical documentary, and archival footage. Jan Potmesil, Lucie Rejchrtová star. 80 min. Standard; Soundtrack: Czech; Subtitles: English. In Czech with English subtitles.