 Joseph, 78, a holocaust survivor settled in New York, who witnessed the massacre of his family in Poland 1941, travels to Berlin to visit his son Ronnie having turned his back on him for the last five years for marrying Anna. No sooner does Joseph attempt to heal the rift with Ronnie, he swears that living in the apartment below under the false name of Shrager is the now aging SS Commander who committed the atrocity. With little hope of seeing him stand trial, Joseph talks Ronnie into exacting justice - and vengeance - and together they set out to kill him...