Condemned to live in scarcity behind a colossal wall that divides Gabhán City in two, Alba is part of a network that distributes medicines and water to the most needy in a clandestine hospital. Her godmother, Lucre, seeks to save her by risking her life in a covert traffic of illegal people to the other side of the wall. Alba refuses to leave her people and the hospital, so Lucre is forced to lie to her in order to convince her and thus embark her on a journey across the border that changes her life forever.
On a gloomy Sunday in Mexico City, three friends in their twenties look for a female friend that disappears at an after-party. As they believe the worse could be happening, and while confronting characters and situations that represent a fraction of the problems of contemporary Mexico, their dreams, concerns and fears come to light.
Arter a tourist disappears inside a mine in Guanajuato, Mat Medina a young expert in mine engineering is hired to make a security diagnostic in the mines of a big company.