In the year 2024, the ozone layer is believed to have been destroyed, and it's up to MacLeod and Ramirez to set things right. Opposition comes from both the planet Zeist (MacLeod and Ramirez's homeworld) and a corporation profiting from the supposed lack of ozone. Also, flashbacks show the story behind MacLeod and Ramirez's exile from Zeist.
Highlander II: The Quickening is a 1991 science fiction film directed by Russell Mulcahy and starring Christopher Lambert, Virginia Madsen, Michael Ironside and Sean Connery. It is the second installment in the Highlander film series and sequel to the 1986 fantasy film Highlander. Set in the year 2024, the plot concerns Connor MacLeod, who regains his youth and immortal abilities and must free Earth from the Shield, an artificial ozone layer that has fallen under the control of a corrupt corporation.