“My Crazy Ex” tells the extraordinary but true stories of past relationships that went awry when one partner’s behavior goes from romantic to excessive to extreme. From a woman who reappears unannounced in the life of a casual high school friend years after graduation to a man who chooses to share the glories of his new relationship on a fetish website – “My Crazy Ex” is what happens when the path to true love veers down a twisted road of obsession.