Modern ace female secret agent Su Can time-travels to become a cannon fodder legitimate daughter poisoned by her stepmother to weigh 200 catties, takes the place of another to marry the disabled God of War Lu Zhandong, and also becomes the stepmother of three orphans of fallen generals. Facing a dilapidated home and bullying by toxic relatives, relying on her secret agent skills she domineeringly splits the family, gets rich through commerce, detoxifies and slims down, and cures her husband's legs. Husband and wife join hands to return to the capital, ruthlessly tear apart scum relatives, eradicate traitors, build a commercial empire, and finally become an peerless couple, reaping a perfect life.