Lee Ha-Na and Song Seung-Heon are cast in OCN drama series “Voice 4.” The drama series is a continuation of the Voice drama series that first began in 2017. Lee Ha-Na will reprise her character of Kang Kwon-Joo. She works as the team leader of the 112 emergency call center. Meanwhile, Song Seung-Heon will play new character Derek Jo. He worked for the LAPD in Los Angeles, before coming to South Korea and teaming up with Kang Kwon-Joo.
“Voice 4” will first air June, 2021 in South Korea (takes over OCN’s Saturday & Sunday 10:30 PM time slot after “Dark Hole“).
Plot Synopsis by AsianWiki: A serial killer with an enhanced hearing ability appears. The serial killer murders people using his enhanced ability. Because of this, Kang Kwon-Joo (Lee Ha-Na), who also has an enhanced hearing ability, is driven into a corner. Kang Kwon-Joo cooperates with Detective Derek Jo (Song Seung-Heon) to catch the serial killer. Derek Jo is a person of principal, who doesn’t allow mistakes. He is a team leader from the LAPD (Los Angeles Police Department). His LAPD team dealt with criminal gangs.
Meanwhile Kang Kwon-Joo has suffered from PTSD since the death of Do Kang-Woo, but she still carries out her duties as the the leader of the emergency 112 call center.