Hundreds of years separate the families, but their fears are the same when their lives are torn apart in changing times of violence and hate. They seek a refuge and dream of peace and a new beginning. The cave provides shelter and an inspiration. Nok, the last survivor of an early Stone-Age people, and pregnant Meera, an outcast from a newer race, are hounded by Meera's tribe. Roman settlers, Marcus, Flavia and son Octavian, evading a tribal uprising in Germania Magna, The gypsy Lilli, and criminal Wolf, escaping a Nazi Todesmarsch column, and, Academics, Bernd, Anna and baby Daniel, fleeing across the East German border towards intellectual freedom, All find the sanctuary of the cave, and leave a PROOF OF PASSING unknowingly inspiring generations to come.