It’s the fall of 1993 and Viacom owner Sumner Redstone thinks he’s got Paramount all sown up. But QVC chief Barry Diller is about to launch a counter-strike and ignite an all-out war for control of the movie and publishing giant. And as the fight intensifies, both men are depending on their partners to have their back. But they’re about to find their back-up isn’t as solid as they think.