[Lee Seung-gi and Lee Hee-joon to lead upcoming tvN drama 'Mouse'] Lee Seung-gi is returning with a new drama!  Leer Seung-gi, Lee Hee-joon and Park Ju-hyeon will play the leads in the upcoming 2021 tvN drama "Mouse," tvN announced. This 20-episode TV series will feature an exhilarating story where Jeong Ba-reum (Lee Seung-gi), a friendly neighborhood police officer, and Goh Mu-chi (Lee Hee-jun), a merciless investigator whose parents got murdered in his youth, team up to chase a vicious, psychopathic predator.  “Mouse”  is creating hype among Korean drama fans, as it is the first collaboration between Choi Ran, the writer of “God’s Gift: 14 Days,” and Choi Joon-bae, who produced the romantic-thriller drama “Come and Hug Me.” “Please keep an eye on this TV series that will open up new prospects for ‘tvN genre dramas.’” the “Mouse” production team said.