A secret death witnessed by two boys in a small Oaxacan village forges an unbreakable bond. Twenty years later the childhood friends reunite as different people, facing their shared past and new trials that test the power of friendship.

In a small village in Oaxaca, where men, women and muxes live together, two very different boys Erik and Manuel are the sole witnesses to an unexpected death, a secret that makes their friendship unbreakable. Twenty years later, their paths cross again, but their differences are even greater: Erik now finds Sicarú, a woman. Together they will face the great secret of their past and their problems in the present, putting the power of friendship to the test.