Six months ago the son of the married couple drowned. The couple, together with the teenager that their son saved, begin a journey to cope with the loss.
Last Child is a 2017 South Korean mystery drama film written and directed by Shin Dong-seok in his directorial debut. It stars Choi Moo-sung, Kim Yeo-jin, and Sung Yoo-bin. The film received positive reviews from critics, who praised Shin's direction and the cast's performances.