A girl named Zhan Yan has a complicated life. She fell in love with her eldest brother, loved his sunshine and warmth, and wanted to find a place to rest on him, but the heavy resistance made her exhausted. She followed a man named Liu Xiyang to Italy. In the romantic city of Verona, she thought she had found the support of her soul and thought she could rely on him to sleep peacefully. However, she did not know that he was just a touch of the sunset and would eventually disappear into the horizon.