Investigator Jane infiltrates the Stone family's island estate, aiming to uncover the secret of the family curse, only to meet Olivia, the family heiress, who has been confined to a wheelchair for years. Jane discovers that the so-called curse is actually the result of long-term poisoning by their relative, David. The two form an alliance, gathering evidence while evading pursuit. They break through the web of conspiracies, confront the formidable family power, cast off their shackles, and seek revenge against their wicked uncle. Amidst dangerous confrontations at every turn, the two move from suspicion to deep love for each other, ultimately letting go of the past and embracing the free lives that await them.