Karen is a young woman who wants to grow two centimeters. To achieve this, she must find the miraculous image known as San Martín de los Reyes.

Nacho’s quiet life changes radically when his eccentric neighbor, Don Guillermo, asks him for help to prove that “someone” visits him at night. Diving into Guillermo’s troubled past and driven by his own curiosity, Nacho finds himself drawn into a series of strange events that take him to the brink of the inexplicable.