After Emiliano dies from poisoning, a vault in Zürich opens to reveal a video tape of edited fragments from surveillance cameras that captured the most important day in Emiliano's life. That day he learned that what matters most in life are not beginnings or endings, what matters most is one defining moment: his peculiar encounter with Juan when he recruited him to assassinate a former presidencial candidate.

Black Box

Is a thriller that mixes different genres and styles, from comedy to Mexican wrestling films. It follows the story of a cop with a reputation for being an idiot who jumps on the trail of a missing girl, discovering that his best friend is involved. Along the way they encounter a series of strange characters, typical inhabitants of Mexico City. Everything takes place in a day, from morning to night.