What if your life had been stolen by someone else? Lin Ziyue was unjustly killed by her lover and a fake heiress—and in her final moments, she learned she was the true blood daughter of a billionaire. In despair, she rewinds time. When Ziyue awakens again, a mysterious voice echoes in her mind: the "Thief System." With this unknown power, she begins seizing the fake heiress's fortune one by one—and even gains the astonishing ability to steal concepts themselves. A dazzling revenge saga powered by overwhelming force. But the closer she gets to the truth, the more a bottomless darkness emerges: a baby-swap scheme orchestrated by a single housemaid. What secret lies behind the lie that someone was willing to sacrifice her life to protect? And where will this system of unfathomable power ultimately lead...?