Hazel, a genius perfumer with social anxiety, unexpectedly receives a cross-time communication from her brother ten years in the future. She learns that tech mogul Cassian is about to be involved in a car accident and that he has secretly loved her for seven years. To rewrite fate, she proactively approaches the aloof and domineering CEO, Cassian. The two endure an elevator crisis, public smear campaigns, and the plots and assassination attempts of business rivals, confirming their feelings for each other amidst life-and-death trials. Hazel and Cassian join forces to crush the villains' conspiracy, and their cross-time destiny quietly takes root. Ultimately, the two overcome family obstacles, marry, and achieve a perfectly happy life.
