Ligia and Mayte are best friends and are planning together the best Quincianera party in order to gain the respect and popularity they so much desire. Meanwhile, a supernatural beast attacks Joel, Ligia’s boyfriend. He manages to escape but is gradually transforming into a creature himself. When Ligia decides to lose her virginity she gets pregnant by Joel, or rather the beast he has become. She will soon discover a mother’s call that will risk her life and those who surround her.