ending somebody

Kim Sum ( Kang Hae-Lim) is a developer for social connecting app "Somebody. love of thousand years ending " Even though she has difficulty communicating with other people, she is friends with Im Mok-Won ( Kim Yong-Ji) and Yeong Gi-Eun ( Kim Soo-Yeon ) Her friend Yeong Gi-Eun works as a detective A murder takes place and the app "Somebody" is involved in the murder case