Based on the plot of Euripides' Medea. Medea centers on the barbarian protagonist as she finds her position in the Greek world threatened, and the revenge she takes against her husband Jason who has betrayed her for another woman.
A liberal-thinking author watches his wife as she attempts to seduce his best friend at a dinner party. She ends up taking on another man as well, and the writer has an affair with the another dinner guest. Soon the three men and two women are entangled in a confusing series of partner-swapping sex sprees where everyone's morals are challenged in the wake of the sexual revolution.
Annabella marries Soranzo. She happens to also be pregnant by Giovanni — who also happens to be her brother. Destiny, and jealousies threaten to expose her past, and Soranzo plots revenge.
