On an alternate world, the slave Sachi prays to her goddess for a husband. The fallen angel, empathizing with the young urine collector's dismal future, hopes the High God won't notice a little karmic interference and heads for Earth.
The ruling witches of Sachi's world only want to rid themselves of the injured stranger dumped onto their sacred beach--one whose dark skin looks disturbingly similar to the monsters encamped outside the city walls. However, with their society's future in doubt, they fear angering the High God with an unjustified execution. Assuming he's an agent of evil, they assign their least-valuable slave to attend to his needs and wait for the excuse necessary to dispose of him.
Recently divorced from the woman who trashed his life and left him living in his truck, Matthew soon decides this reality is as good as any. But he discovers that making the pretty cell-mate his wife requires battling his love's owners and winning the trust of the witches by finding a way to defeat the monsters.
Then Sachi reveals the reason these people can't evolve out of the Bronze Age. And why the men on this world are more than content to let their women run everything. It makes the other challenges look easy.
Too many people/gods/demons...characters. Focus.
This is a mess.