In 2025, Sophia Bennett, an emergency room physician, finds herself transported to 2020 after a hospital explosion, where she assumes the identity of Sophie Bennett, a member of a wealthy family. The original Sophie was killed in a car accident orchestrated by her fiancé Liam and his stepsister Chloe, and her body was dumped in the outskirts of town. Upon awakening, Sophia discovers herself in an unfamiliar time and space. She uses her medical skills to save herself and vows to avenge the original Sophie's death.· While fleeing the suburbs, Sophia encountered Ethan Caldwell, the most enigmatic billionaire in New York, who was poisoned and unconscious. Using her first aid skills, she managed to save his life. However, due to the urgency of the situation, she took Ethan's limited edition watch as "compensation," leaving behind a "debt note" and threatening to let him track her down.· To safeguard the trust fund left by Chloe's mother, Sophia was compelled to marry Ethan in her place. Rumors circulated that Ethan was paralyzed from the waist down due to a car accident, had a violent temperament, and was a "crippled tyrant boss." However, Sophia discovered that Ethan's leg injury was caused by poisoning and offered to help him detoxify, on the condition that they would pretend to be married for a year to protect her identity.· Two people enter into a contract marriage, and Sophia moves into Ethan's penthouse mansion in Manhattan. While Ethan appears cold, he is actually captivated by Sophia's medical skills and courage. Sophia uses her knowledge of modern medicine (combined with hacking skills to obtain toxic substance data) to cure Ethan's leg ailment, and the two gradually develop feelings for each other, marking the beginning of a sweet and endearing relationship.· Sophia employed her medical knowledge and hacking skills to expose Liam and Chloe's plot, revealing that they had not only murdered their previous owners but were also involved in illegal drug dealings and aimed to take over Bennett Family's medical company. She teamed up with Ethan to devise strategies in their business rivalry, gradually dismantling their adversaries' power.· Ethan covertly assists Sophia in uncovering the truth and exposing the mastermind behind her poisoning—an adversary of the Caldwell Group colluding with Chloe. Together, they dismantle the underground medical black market, and Sophia gains public respect by using her medical skills to treat the victims.· The truth is revealed, and Liam and Chloe's crimes are exposed, leading to their trial. Ethan publicly clarifies the rumors about him being Chloe's "savior" and proposes to Sophia, acknowledging her as the true savior.· Conclusion: Sophia becomes pregnant, and the couple holds a grand wedding before founding a medical technology foundation dedicated to public healthcare. The story concludes on a sweet and endearing note, with Sophia achieving a win-win situation in both her career and her love life, thus becoming a legendary figure in both New York's business and healthcare circles.