When the Phone Rings

Baek Sa Eon comes from a prestigious political family, and he became the youngest presidential spokesman in Korea. His background also includes time spent as a war correspondent, hostage negotiator, and main anchorman. He married Hong Hui Ju 3 years ago. She is the daughter of a newspaper proprietor. She has mutism due to an accident she had when she was little. She works as a sign language interpreter in court and on television.
Sa Eon and Hui Ju got married largely due to convenience. For the past 3 years, they haven't communicated with each other or have meals together. They pretend they are a happily married couple. One day, Hui Ju is kidnapped by an unidentified person. This changes their marriage life.
(Source: AsianWiki)
~~ Adapted from the web novel “The Number You Have Dialed" (지금 거신 전화는) by Geon Eomul Nyeo (건어물녀).