Ayizan appears to live the life of a normal teenager, but she hides a tremendous secret: she is human and extraterrestrial.

Ayizan's older sister--whom she's never met--has been watching Zan from her home planet for over a year now, using her tarot cards. But when Zan's impetuous behavior compromises the safety of other extraterrestrial inhabitants of Earth, the older sibling must intervene. Unable to put her distrust for her sister aside, Mercedes plots to prevent Zan from completing her Immersion, a rite of passage, controlled by the ancient loa, or spirits of the voodoo culture....