Lautaro and Sebastián are two young actors leading a film that talks about a love between two people of the same sex, until, while filming, one of them begins to feel attracted to his partner.

Matías shares the same passions as his grandfather Leonel: the accordion and trains. When his grandfather dies, Matías inherits his grandfather's accordion and through music he resists giving up the wagons that lie abandoned twenty years later for dead.