The Wronged Snake Goddess

Aurora Sloan, the Snake Goddess, descends to find Alistair Shaw, general, severely injured. She saves him. He recognizes her (plum blossom birthmark) and promises to marry her. Three years later, Alistair returns with Iris Jennings, the Saintess, intending to marry her. Iris falsely claims credit and frames Aurora. Alistair believes Iris due to his obsession with the Snake Goddess, banishing Aurora to the woodshed.