Actresses Ahn Sohee and Choi Kang Hee came back to promote their new new drama. Today, actresss Ahn Sohee and Choi Kang Hee attended the drama's press release, which took place at the 63 Building in Seoul. In the picture they posed together as if they were real sisters. On this day, actresses Ahn Sohee and Choi Kang Hee talked about the upcoming cable channel tvN's Friday Saturday drama 'Heart to Heart.' In related news, 'Heart to Heart' tells a story of a doctor with OCD named Ko Yi Suk, played by actor Chun Jung Myung, and a patient named Cha Hong Do, played by actress Choi Kang Hee, whose face gets red in front of people. Actress Ahn Sohee plays actress Choi Kang Hee's younger sister in the drama. The upcoming cable channel tvN's Friday Saturday drama 'Heart to Heart' will premiere on January 9, 2015.