After long decades of exile, a leftist former activist returns to Chile to settle accounts with his conscience, related to the death of a colleague and political hero . The task of Atalibar is to reveal his secret. But his view clashes with the current country, godless, far from the old ideologies and where all his old colleagues have changed.

During the last years of Pinochet's military regime, a group of militants from the "Manuel Rodríguez Patriotic Front" plan a prison break of political prisoners, through a tunnel that will take them 18 months to dig.

A drama centered on an office worker on the verge of retirement who begins to relive both real and imagined memories.