"Elena is invited to treat Kane Vanderbilt, the heir to a long-established wealthy family in the East, but is instead abused by him and his fiancée, Serena. After being assaulted with the help of Jax and Chloe, she is shot through the left chest and abandoned in the wilderness. Surviving only because her heart is dislocated to the right side, Elena develops a second personality—Eden. With the help of Dean Han, she undergoes plastic surgery to become Eden and returns as Dean St. Lance to seek revenge. First, at Kane's birthday party, she switches his gift with the still-unknown Chloe's, causing internal strife within the Vanderbilt family. Then, she maneuvers between Jax and Serena, feigning..." Jax sows the seeds of future conflict while coldly observing Kane and Serena's falling out due to the events. Eden and Elena, with their intertwined personalities, meticulously incite fear in their enemies, and a deadly revenge plan targeting all four is quietly unfolding. Key highlights: "Extremely heart-wrenching + high-IQ revenge with dual personalities." A high-conflict opening, a meticulously planned revenge scheme, the protagonist uses the villains' greed and suspicion to set a trap, instigating infighting among enemies, inducing a counterattack, and meticulously manipulating them to kill each other. A complex web of schemes within a scheme, where all the villains are manipulated, delivering a dark and thrilling experience filled with suspense.