Two Fiancees

In the vein of The Wives, there is no bond more sacred than marriage, nor one more deadly.  Imagine being a scorned woman betrayed by the man you love. Imagine being the one person who can save another from the same fate. But at what cost? And with what consequences? And what if the betrayal before you, isn't a betrayal at all, as nothing you believe to be real is real at all?