In a rural village in Yucatan, Mexico, two young missionaries in search of the town's religious conversion go against the people's beliefs and awaken a monster from a folk legend.

Peccadillo tells the story of Lorenzo. An 18- year-old boy struggling to come out to his religious family of female tailors, who work day and night sewing the dresses he only dreams to wear. Unfortunately, the dream of fitting into one of these sparkly beauties and explore his sexuality lingers in the air, as through his Family’s eyes, being gay and wearing clothes opposite to someone’s sex, is a sin.