Os Sapos (2011)

One day and one night, in a rustic country house rented by Luciana and Marcelo, who—despite having been together for eight years—have never been openly serious about their relationship. Their neighbors and friends, Cláudio and Fabiana, are seemingly happy. But it only takes getting to know them better to realize they have a very toxic relationship. Paula, Marcelo’s friend since his teens, soon understands she is entering a minefield. She decides to have a fun weekend despite the conflicts she might spark.