Polyamory for Dummies

Satur and Tina share a marriage unsettled by the arrival of Berta, a figure described as a 'unicorn' who disrupts their world. In the end, Satur is marginalized, and Tina begins an affair with Berta. Manu, a self-described loser, pursues a relationship with Amanda, who is simultaneously involved with Alex, Claudia, Marta, and Esteban, with whom they are all co-raising two children. The ensemble leads multiple, intertwined lives, each capable of teaching the others as they navigate love, loyalty, and family.