Elena, heir to Cross Aeronautics Industry and manager of the Lightning Eagle Aerobatic Team, devotes three years of sincere love to Jake Cole, a 23-year-old professional aerobatic pilot. At the age of twenty-nine, she plans to propose to him on his birthday. However, the moment Sasha, her boyfriend’s first love, returns to the country, she accidentally learns the cruel truth: Jake has never loved her and has only been using her as a “relationship simulator” all along. Without hesitation, Elena breaks up with him and chooses Adrian, the marriage partner arranged by her father. Jake finally wakes up to his feelings after losing Elena, yet it is already too late.
