In the 1950s, while radio is slowly being surpassed by television as the leading broadcast medium, Tito Balcárcel, a voice actor, becomes romantically involved with Lúcia, a fan of his who drags him into a mysterious crime plot.
Based on Erico Verissimo's masterpiece, O Sobrado follows the Terra-Cambará family during the siege imposed to their house by enemies due to political differences. As the siege goes, the family tensions start to show off.