At the age of 19, Xia Ling mistook Si Jinghan, the president of Si Group, for his younger brother, a celebrated movie star. After a reckless one‑night encounter, she fled. Six years later, she returns with quintuplets, infiltrating Si Group to seek revenge, unaware that her brilliant children are plotting to drain their father’s fortune. The second child misidentifies Si Jingchen as their father, and Xia Ling decides to make use of this misunderstanding. Yet she spots a familiar mark on Si Jinghan’s body — he turns out to be the man from that fateful night!
Si Jinghan falls for her at first sight, secretly indulges the children’s mischief, and even brings down the Xia family for her. When the truth comes out, he still shields her, only to end up severely injured and comatose. In the end, the kids save their father with magical acupuncture. Xia Ling lets go of her past grievances. The whole family of seven joins forces to take down the villains and enjoys a sweet reunion.
