In the fifth year of the doomsday disaster, top agronomy and zoology scientist Shen Lin was pushed into a mutated beast tide by her ex-boyfriend Wang Yong. Wang Yong mocked her that being unable to grow crops made her useless, and snatched her laboratory and seeds as a wedding gift. The moment Shen Lin fell into the beast tide, a white jade bead bracelet on her left wrist burst with five-colored white light, connecting her to an ancient world. Waking up in the ancient fields, she discovered that the bracelet not only allowed her to time travel and cross dimensions, but also connected to a spiritual spring space—complete with a spiritual spring well, a door leading to the doomsday laboratory, and a door leading to the ancient world, with time flowing at the same speed across all three realms. In ancient times, Shen Lin grew doomsday mutant crops yielding millions of catties per mu.