To save her sister, who suffers from a rare disease, financial journalist Lina is forced to bow to Victor, the underground kingpin who controls the black market for exorbitantly priced targeted drugs, and secures the life-saving medication in a single-night deal. A year later, as she struggles to get her life back on track and begins dating her well-to-do boyfriend, prosecutor Ethan, her sister Ella runs out of medication again, leaving her with no other choice but to turn back to Victor. At a private club under Victor’s control, he publicly exposes her past, shattering her dignity. To continue receiving the medication, Lena was forced to become Victor’s secret mistress, only to discover that in his heart, there was a woman named Sofia who had been in a coma for years—and that she was merely a substitute. Sofia exploited Victor’s guilt, not only cutting off the medication supply but also luring Lena to a nightclub, where she was subjected to inhuman torture. Victor mistakenly believed Lena had chosen a life of debauchery, and, his heart grown cold, abandoned her. On the brink of despair, Lena used leads she’d uncovered through her work as a journalist to discover that Victor and Sofia’s family were involved in a vast illegal medical trafficking network. She decided to stop begging and instead began secretly gathering evidence. Just as she was planning to trade her final piece of evidence for her freedom and her sister’s legal medication, Victor witnessed the full truth of her abuse…