What is the prototype story of Zhang Yi in "Dear"?

The prototype story of Zhang Yi in "Dear" is that of Sun Haiyang.

Sun Haiyang opened a steamed stuffed bun shop in Shenzhen. His son Sun Zhuo disappeared while playing outside the shop. In order to find his son, he distributed flyers, traveled to various cities across the country, and met with other abducted families. The "Son-finding Alliance" was established. He has helped many parents find their children, but their own children have never been found.

From September to November 2021, during the "Operation Reunion" DNA comparison battle, clues to another abducted child Fu Jiantao were accidentally discovered, and Fu Jiantao was successfully recovered. With Fu Jiantao's help, the police identified Fu Jiantao and Wu Moumou, the suspect in Sun Zhuo's abduction case, through investigation, and found Sun Zhuo's traces.

On December 6, 2021, the DNA comparison between Sun Haiyang and Sun Zhuo was successful, and the family met in Shenzhen. According to the Shenzhen police, the suspect Wu Moumou has been detained, and Sun Zhuo's adoptive parents have taken corresponding measures in accordance with legal procedures.

Sun Haiyang’s family of five visited Chimelong

Sun Haiyang’s family came to Chimelong for a trip after the Chinese New Year. In the years when Sun Zhuo was away, Sun Haiyang’s family went out to play, but there were no pictures. Sun Zhuo, this has also become Sun Zhuo’s mother’s dream. ?

Mother Sun hopes that one day she will have the opportunity to take her three children out to play together. After the winter vacation, the children will start school. She will take this opportunity to take her children out to play more. ?

Sun Haiyang took Sun Zhuo to watch the fireworks show. Someone was live broadcasting the show, and netizens asked the anchor to look for Sun Zhuo's family like a needle in a haystack. Unexpectedly, hard work paid off. The anchor actually met Sun Haiyang's family of five. Sun Haiyang was very enthusiastic in front of the camera and kept saying hello to the anchor and netizens.