14-Year-old Su Xiaorui came to the home of her adoptive father Chen Xiaoyi because her parents died unexpectedly. Over the next few years, she fell in love with the man who took her in. But what is true love? She doesn't know. He can only keep entangled with Chen Xiaoyi's girlfriend and Gu Lin, who is of the same age and has great design talent, to find the true meaning.