A choice that leads to two person's life. Because of her, he could not make his dream come true. A choice she made ten years ago make him fail in a competition. Is it her fault? Because of the choice she made that day, she end up her life in jail. Everything has its own sequence, once you make a wrong choice, your life is wrong. Her name is Leslie Park, his name is Kris Wu, and they were studying in the same high school in Canada. What if time travels back to ten years ago, to the time she makes the decision, will she choose the right path?