After graduating from high school and breaking up with Han Xun, Ji Nan traveled across half of the world, went through the most difficult years and finally returned to China. The feelings and entanglements that had been buried for ten years gradually resurfaced. A love affair that year deceived her parents, teachers and friends. Ji Nan thought she had deceived everyone. But when she returned to the place where she was and met her old person, the ice city in her heart suddenly collapsed... Did she deceive everyone, him, or herself?