Two brothers heredates the ice cream truck of their grandfather. They have different opinions about what to do with it.

During a hot summer siesta in Entre Ríos, Malena terrifies her younger brother Santiago, with a legend in which children are watched over by pigeons and captured by a hideous monster if they don't nap. Bored of doing nothing, Malena goes out to the nearby bush with her cell phone to look for the internet, without imagining the consequences that a simple walk in the sun can unleash.