Pedro discovers that his 70-year-old grandmother, Vicenta, is harboring a dark secret. Every night, when his grandfather falls asleep, she sneaks out with a group of older women. Together with his cousin Quique, he decides to investigate, convinced that something dangerous is happening on these mysterious nights. The short film blends suspense and humor, projecting a feminist image onto older women and attempting to dislodge the critical views of the traditional society in which they live.