<p>As shocking secrets are exposed, and a grand plan for the universe is revealed, River decides it’s time she took control of events once and for all.</p><p>Out in deep space, a clandestine society faces off with an ancient and powerful alien force – but, for River, there’s an added complication.</p><p>The Eighth Doctor has been caught in the middle, and she must make sure her future husband can arrive at his own destiny with all his memories – not to mention his lives - intact…</p>