Yiya Murano poisoned her friends to cover up scams in 1970s Argentina and became a dark figure in popular culture. Freed in the 1990s, she reappeared as a pop icon. Today, her son Martín seeks to reveal her true face.
The story follows Boris, a charismatic tour guide who unexpectedly reunites with his estranged father Julián. Their tense and emotional encounters explore past wounds and the possibility of forgiveness.