A zlehka zazvoní(1982)

It's Christmas and divorced Eva is preparing a Christmas Eve dinner in her lonely house on the border. She is expecting her son, a soldier Zdeněk, and her daughter Jiřina with her child and her husband František. The preparations are disrupted by the unexpected arrival of her ex-husband Josef. But Eva doesn't want the children to find their father at her place, so she kicks him out of the house... But twenty-five years of life cannot be erased so easily, and past grievances suddenly have less weight. Josef returns and this time the doorbell rings. And perhaps the Christmas Eve meeting will become an opportunity for forgiveness and a new beginning...