Lee Ye-joo, a lone female college student, possesses a hidden talent for time travel through an unknown door. But this uncontrollable ability proves to be more of a curse than a gift when she jumps a thousand years forward and finds herself in a chaotic world where the red-eyed rule. The man responsible for unleashing earthquakes and lightning dubs her a "timer" and seeks to eliminate her.
Determined to survive and return to her time, Lee Ye-joo makes a pact with him to guide him to fellow humans in exchange for her own safety. However, their arrangement takes an unexpected turn as she unexpectedly discovers warmth and resilience in the once-terrifying man.
As she endeavors to thaw the icy future, Lee Ye-joo is caught between an insatiable desire for life and a precarious love affair that forces her to risk everything.
