Pokerface - Grandman Takes Them All (2016)

Rosa Hofer accidentally discovered that her son-in-law Udo is highly indebted . She follows and observes him secretly and finds out that he is trying to make some money in illegal poker games in a more than dubious cafe. To avoid the worst and save the family , and the house , which is already overwritten on the children, Rosa treading unusual ways for her. After initial differences, she gets help from Charly, who works in this cafe.