100% old ladies (1970)

Mirta and Alicia are two women with very strong personalities who don't get along, but they have to see each other once a year at the birthday party of their only grandson, Ezequiel. Through a card game, they decide that whoever wins will buy the PlayStation 5 to appear as the best grandmother in the eyes of the other. This duel will unleash a multiverse where their arguments always bring them back to the starting point.