Genius maiden Jiang Heng unexpectedly steps into the immortal cultivation world, becoming the chief eldest senior sister of an immortal gate of immortality. Burdened with mysterious sea monster bloodline, wielding a silver spear, her personality is flamboyant and decisive, relying on strength to break through the game all the way. During a trial, she encounters Sheng Wujin, who has innate sword bones and a cold, arrogant, sharp-tongued nature. The two go from unconvinced with each other to fighting side by side, uncovering the secrets of their life backgrounds in crisis after crisis and trials after trials, and gradually becoming each other's most trusted partners. Facing formidable enemies and the arrangement of fate, they choose to grow hand in hand, walking out of their own immortal cultivation path.