Horacio, an independent theater actor, and Sabino, his fourteen-year-old son, travel to Rosario, the birthplace of Commander Ernesto "Che" Guevara. The father is scheduled to play Juan Pablo Castel in an adaptation of Ernesto Sabato's novel, *El túnel* (The Tunnel). The next day, after the performance, they decide to continue their journey. As they travel across the country, they rediscover themselves while the figure of Che guides them.