The film follows the actions of a corrupt police captain, the title-character Ángel Lugo. Lugo is responsible for the wrongful imprisonment of Mariano Farías and the murder of his pregnant wife. After 15 years in a federal prison, Farías is still determined to prove his innocence.

• Cinesí Inc.
• Braulio Castillo Jr.
• Jacobo Morales
• José Félix Gómez
• Yamaris Latorre
• Miguel Ángel Suárez
• Sara Jarque
• René Monclova
• Marian Pabón