In the not-so-distant future, in the year 2084, Ángel finds himself as a climate migrant trapped in an unspecified smart city in the global north, under constant surveillance. Amidst a bleak and oppressive existence, Ángel makes a living by cultivating plants, preserving the fading wisdom of seeds. Within this desolate landscape he crosses paths with Sofia, another climate migrant who works at a recycling facility. Fate intertwines their lives when a chance encounter reveals an unexpected connection: a shared language.

Ángel's longing for human connection and a glimmer of hope, incites him to reach out to Sofia. Aware of the omnipresent digital monitoring, Ángel decides to communicate with her through the timeless medium of pen and paper, fostering an intimate, clandestine bond. As their secret correspondence unfolds, a friendship grows between Ángel and Sofia as does their desire for liberation from excessive control.