Argentina, 1979. After years of exile, Juan (12) and his family come back to Argentina under fake identities. Juan's parents and his uncle Beto are members of the Montoneros Organization, which is fighting against the Military Junta that rules the country. Because of their political activities they are being tracked down relentlessly, and the threat of capture and even death is constant. However, Juan's daily life is also full of warmth and humor, and he quickly and easily integrates into his new environment. His friends at school and the girl he has a gigantic crush on, Maria, know him as Ernesto, a name he must not forget, since his family's survival is at stake. Juan accepts this and follows all of his parents' rules until one day he is told that they need to move again immediately, and leave his friends and Maria behind without an explanation. This is a story about militancy, undercover life, and love. The story of a clandestine childhood.
Juan está clandestino. Al igual que su mamá, que su papá y que su adorado tío Beto, fuera de su casa tiene otro nombre. Juan, en la escuela, se llama Ernesto. Y conoce a María, que tiene un solo nombre. Basada en hechos verdaderos, en la Argentina de 1979, esta película es ""una de amor".