Luis, an 18-year-old Mexican boy with indigenous roots, enters the Heroico Military College with the hope of securing a better future. There, he encounters a rigid and institutionally violent system designed to make him a perfect soldier.
| Actor | Role |
|---|---|
 Santiago SandovalLuis Núñez Rosales | Luis Núñez Rosales |
 Fernando CuautleEugenio Sierra "Pibe" | Eugenio Sierra "Pibe" |
 Mónica del CarmenYanin | Yanin |
 Esteban CaicedoMario | Mario |
 Isabel YudiceAndrea | Andrea |
| CCarlos Gerardo GarcíaRatón | Ratón |
| GGermán CarrizalesHerrera | Herrera |
| SSalvador RicoUribe | Uribe |
 Ricardo TadeoArturo | Arturo |
 Ari Axel HernándezCarrasco | Carrasco |
 David DeleoLópez | López |
 Norma PabloMadre de Mario | Madre de Mario |
| MMarco VidalGeneral Arriaga | General Arriaga |