After his parents died unexpectedly, Song Wanxing accidentally connected with Xiao Yu in another world through his mobile phone. One grew up alone in modern times, while the other was treated harshly in the palace. They used the mobile phone to communicate and comfort each other. From being ignorant children to Xiao Yu's ascension to the throne, Song Wanxing even passed on modern crop seeds to him to help him govern the country.
An accident brought Song Wanxing to time travel and came to Xiao Yuzhi's world, which also made his secret love blossom and bear fruit.
