The drama tells the story of a healing romance between anchor Joo Eun-ho (played by Shin Hye-sun), who has developed a new personality due to deep inner pain, and her ex-boyfriend Jung Hyun-moo (played by Lee Jin-wook), who hides his inner pain.

Shot by the director - Twenty Five Twenty One, it tells the story of the disappearance of his younger brother, the breakup of his long-term lover, and the delicate emotional lines of five men and women intertwined with the protagonist who suffers from dissociative personality disorder due to grief.history.Every day, a painful and lonely personality searches for herself. Shin Hye Sun plays anchor Zhou Eun Ho.

《To my Harry》(나의해리에게/Dear Hyeri) is a Korean TV series planned by KT Studio Genie, co-produced by Studio Dragon and Studio Power, directed by Jung Ji-hyun, written by Han Gaalan, and starring Shin Hye-sun, Lee Jin-wook, Kang Hoon, etc.[4][6], will be broadcast on South Korea's ENA TV, Genie TV, and Genie TV Mobile on September 23, 2024.

On June 11, 2024, the drama was confirmed to be produced. It was planned by KT Studio Genie and co-produced by the production companies Studio Dragon and Studio Power. It will be directed by Zheng Zhixian and written by Han Jialan, with a total of 12 episodes.On January 19, 2024, actor Shin Hye Sun was confirmed to star in the drama and will play two roles in the drama; on February 20, actor Lee Jin Wook was confirmed to star in the drama; on May 2, actor Kang Hoon was confirmed to star in the drama;On June 13, actor Lee Phil Rao was confirmed to star; on June 25, actor Kang Sang-jun was confirmed to star; on July 9, actor Jeon Bae Soo was confirmed to star; on July 30, actor Jo Hye-joo was confirmed to star.​

In mid-May 2024, the drama will start filming.