In the cruel jungle of youth, they are "natural enemies" bound by blood.
Xie Lingzhi: Believe in the "Evolution Theory of Effort". Abandoned by his mother, he lives on his late father's compensation and meager remittances. After the high school entrance examination, he worked hard to evolve and squeezed into the "211" elite class of No. 1 Middle School in the city. He firmly believed that sweat can rewrite genes.
Cheng Yue, talent is her factory setting. A spoiled girl from a rich family, intelligence is a gift. After a summer of fun, he easily landed in the same class with his talent, which became an "evolutionary bug" in Xie Lingzhi's eyes.
The brief encounter during the rainy season went unnoticed.
Class 211 met on a narrow road, filled with smoke:
Xie Lingzhi's sweat met with Cheng Yue's carelessness. Jealousy lingers like poison ivy - "Why were you born to be at the top of the food chain?"
Cheng Yue's desire to explore collided with Xie Lingzhi's stubbornness. Secretly curious - "Is this old-fashioned hedgehog's survival strategy interesting?"
The financial gap, the collision of values, the survival competition between talent and hard work, escalate in every classroom confrontation. An "aid" that touched Xie Lingzhi's bottom line of survival tore apart trust and pushed the budding relationship into a period of alienation like an ice age.
When the truth about their blood relationship explodes like thunder - they are actually half-sisters - how will this "natural selection" preset by fate end?
In the laboratory called youth, they are each other's cruelest control group and the only fellow travelers on the road of evolution. When victory or defeat is no longer the only criterion, can they evolve a new law of symbiosis beyond the iron law of "survival of the fittest"?
Intention: good