The story is written in two lives, mainly talking about what happened in the two years before the mutated world, and the changes after the mutated world, and how humans face life in the mutated world.
The first life: After Chen Qingnan (male protagonist) and Lin Manxi (female protagonist) met, Lin Manxi accidentally learned the secret of the mutant mother world, so she made preparations before the arrival of the mutant mother world. After the arrival of the mutant world, Chen Qingnan almost died at the hands of the mutant plant due to injury during an encounter with the mutant plant. Lin Manxi sacrificed her life to save him...
Second Life: In the first accident, Chen Qingnan discovered a secret - time regression, which made him choose to go back to before the two met in order to save Lin Manxi...
Purpose: Be unique in the world