An intelligence operative for a shadowy global peacekeeping agency races to stop a hacker from stealing its most valuable — and dangerous — weapon.

A balloon pilot and a scientist find themselves in a fight for survival while attempting to make discoveries in a gas balloon in the 1860s.

40 years after the first haunting at Eel Marsh House, a group of children evacuated from WWII London arrives, awakening the house's darkest inhabitant.

In 1862, pioneering meteorologist James Glaisher (Eddie Redmayne) teams up with daredevil balloon pilot Amelia Rennes (Felicity Jones) to advance human knowledge of the weather and fly higher than anyone in history. While their voyage to the very edge of existence helps the unlikely pair find their place in the world, they face physical and emotional challenges in the thin air, as the ascent becomes a fight for survival.