An anxious young tailor dominated by his father, a master of the craft, is eager to do well with his clients; but his inadequacy in measuring leaves him frustrated and humiliated. His younger sister - an expert seamstress - arrives back in town, discovers his measuring weakness and begins a cruel reign of terror over him, humiliating him endlessly in front of customers. Pushed to the edge, the young tailor heads down the nightmarish road to insanity and murder.

Dziadzia ("Grandpa" in Polish) is a coming-of-age, family drama about a young Polish-American boy who unexpectedly falls under the guardianship of his traditional Polish grandfather.