In 1965 Mexico City, Flavia, a wealthy yet lonely schoolgirl, befriends Veronica, a young orphan girl who has a fascination with witchcraft. Veronica convinces Flavia that she is a real witch and forces her to be her assistant. The children's games gradually become more serious and Veronica demands more from Flavia.

One of the most prestigious psychiatrists in Mexico decides to put her three children to the test to determine how to divide their inheritance. Everything gets complicated when one of her patients decides not to collaborate with them.

A recent Cuban refugee arrival, Raul, is hunting for mangoes he can hustle to local bodegas for some cash when he inadvertently becomes octogenarian Cuban lady prey.