Chen Yuan's soul is split in two: half goes to the apocalypse, while the other half remains in the 1960s. The real story begins once all her soul fragments are reunited.
In the early 1960s, an era of hunger, thirst, and shortages of food and clothing, watch our heroine take her mutant plants and animals and live it up in the sixties.
Huh? Pregnant? Whose is it? Forgot. Great, the kids can all take their mother's surname. Keep the children, ditch the father. Perfect!
The male lead only appears now and then. Most of the story is about the heroine raising her kids!