Financial Ph.D. Serena unexpectedly transmigrated into a book, becoming the infamous villainous original wife. The original owner had been manipulated by her brother-in-law Julian, had long been poisoning her husband Elias, and had even signed a divorce agreement. After awakening, Serena decisively cut ties with the toxic entanglement and eliminated internal traitors. With her superb financial skills, she repeatedly helped Elias, who was targeted by schemes, resolve crises. As they fought side-by-side against Julian and the forces behind him, they developed feelings for each other. After enduring numerous dangers like corporate attacks, kidnapping, and framing, they completely crushed the villain's conspiracy, cleared all injustices, and finally held a grand wedding, mutually pursuing each other for a perfect ending.