In a dystopian future, in the year 2024, the world has fallen under the control of a powerful corporation that has eradicated the ozone, turning the Earth into an inhospitable and dangerous place. Connor MacLeod, the immortal Scottish warrior who once fought for the survival of his kind, faces a new threat. Alongside his beloved, Brenda, a tech expert working to unmask the dark corporation, Connor embarks on a mission to protect what remains of humanity.
In the process, Connor discovers that he has not only returned to Earth from the planet Sórdano, a world from which he was previously exiled by his enemies, but that there are also other immortals. These times are filled with betrayals and old rivalries, and Connor realizes that his life is in danger once again. However, after losing his connection to the power of the "prize," his only desire is to regain his humanity and uncover the truth behind what it means to be immortal in a world that has forgotten how to live.
With a fast-paced rhythm and spectacular battles, the film explores Connor's struggle to find meaning in a desolate reality, confronting his old rivals and the corruption that besets his world, while attempting to redeem his legacy and find a purpose in his eternal existence.