Synopsis：Dr. Claire Hart's world turns upside down the moment her boyfriend, surgeon Ethan Ward,sends her a date invitation. Before she can even clock out, she receives an impossible phone call—from herself, two years in the future, speaking with the despair of someone on death row.Get out of the hospital! You'll be executed for a surgery you never performed! Her future self reveals the truth: Ethan has set a deadly trap. He let his inexperienced childhood friend Mia take the lead in surgery, and she drove the blade through the patient's heart—the only son of the legendary doctor Eleanor Winters. To save himself,Ethan has already forged the surgical logs, a suicide note, and a scalpel bearing Claire's fingerprints—all waiting for her to step into Operating Room Five.