A story spanning three generations, from 1871 to 1945. When Gustav Wengler, a farmer’s son, returns from the Franco-German war in 1871, he goes to work for a precision mechanics and optical company, where he soon becomes a master craftsman. Wengler loyally promises the owner on his deathbed that his sons and grandsons will also stand by the company.
Dos soldados alemanes capturados por los rusos durante la I Guerra Mundial se hacen amigos. Richard comparte historias íntimas sobre su esposa Anna, y Karl se enamoran de ella en sus pensamientos. Un día, Karl se escapa y se dirige a la casa de Richard.
