Chen Yaner, who has returned from rebirth, wears the multiple vests of killer K, fighter Qiqi, and hacker Seven, and is determined to protect her family members who were murdered in her previous life. She went down the mountain to tear apart the green tea relatives of the Chen family, and made a contract marriage with the Dark Emperor Long Ze (Shao Qingheng). The two tested each other, concealed their opposing identities, showed their top strength in the fighting arena, and revealed the fetters of childhood in the ambiguity. In the end, both sides' vests were exposed, and they fell into a love-hate confrontation.
