Fed up with her parents who always quarreling and dictating her future, high school student Zhongyi decided to run away from home, and was planning to end her life romantically before the ”millennium apocalypse”. However, the unexpected visit of Minhao, an alien who came to earth to find his missing colleague, interrupted her suicide plan, and even took her on a more absurd yet thrilling adventure. Counting down to the millennium, can Zhongyi complete this crazy task with Minhao and leave this terrible world as she wishes?