The modern world's top assassin, Leng Shuangyu, codename Zero, is betrayed by a partner and transmigrates to an unknown ancient village after a failed assassination. She becomes an orphan with nothing to her name, on the verge of being sold. She had planned to keep her head down, farm, and quietly live out her days, but on her way up the mountain she finds a strikingly handsome man covered in blood: Xiao Muchen. She means to treat him as a human-shaped medicinal herb and sell him for money, only to discover that he is cunning, devious, and shrouded in mystery. He is none other than the renowned Prince of Zhenbei, who fell off a cliff after being framed by treacherous enemies. And so the cold-blooded assassin and the scheming god of war begin a chaotic, hilarious life in a little farmhouse, full of bickering and unexpected twists, yet rife with hidden currents as they join forces to crush their enemies and farm their way to power.