While still grieving her missing son, a mother encounters a lost young girl who shows an unsettling ability to mimic her daughter's voice perfectly. Joon-hyuk Lee, Jung-ah Yum, Hyuk-kwon Park, Yool Lee, Ji-hoon Jung, Jin Heo, Jong-yun Lim, Susanna Noh, Hae-yeon Kil, Rin-ah Shin, Jun Hyeok Lee, Shin Rin-Ah, Yum Jung-ah, Park Hyuk-kwon, Heo Jin, Shin Rin-ah, Lee Jun-hyeok, Kil Hae-yeon, Lee Yool, Susanna Noh, Lim Jong-yun, Jung Ji-hoon Added on Netflix 2019-05-10. Youtube Trailer