They met in Paris and reunited in America. She saved his life, and neither asked for the other's real name or background. They spent a month together, and something had already begun to take root between them. But they were destined to be no more than passersby in each other's lives. Soon, they went their separate ways again. He couldn't bear it, and neither could she. Yet they were ultimately like parallel lines that could never meet, and parting was the best choice. But the gears of fate seemed to turn for them. After returning home, she met him again. He said, "It's been a long time," but in his heart he thought, "This time, I won't let you go, no matter who you are..."