When the bank clerk Klaus Helwig is arrested on suspicion of embezzlement, his son Heintje, whose mother died at birth, comes to his grumpy grandfather's house. Heintje manages to win his heart and prove his father's innocence..
as Heintje
as Klaus Helwig
as Renate Ahrens
as Friedrich Wilhelm Berthold
as Robert Engelhardt
as Roberts Freundin
as Willi
as Mrs. von Schleinitz
as Quintus
as Schiller
as Man on Fair
as Comissioner
as Gärtner
as Engelhardt
as Bankangestellter
