Weekend (2016)

Carla arrives to accompany Martina after years of absence. The relationship between them is distant, there's something they don't talk about. Martina has furtive encounters with Diego, a man twice her age. Both of them submit to a strong, out-of-control sexual game. Once Carla discovers this liaison she confronts Diego. When Martina finds out, the already electrified atmosphere between them escalates.