When an unidentified figure is captured in a street view image of Salmokji reservoir, Su-in and her crew return for a mandatory reshoot. The shoot quickly begins to unravel with the sudden return of a vanished senior colleague, followed by a series of disturbing events that defy explanation. The team is forced to confront a presence that refuses to remain unseen—and a truth that should never have surfaced.
KIM Ji-hye
She began her career in film music as an assistant music director under BANG Junseok. She worked as a composer on films including Escape from Mogadishu, Along With the Gods, The Book of Fish, and Ashfall, and has since served as music director on Handsome Guys, Salmokji : Whispering Water, Hallan, and Heartman: Rock and Love.
LEE Jee-hyang
Composer and arranger for film and television, she made her debut with the band Hyangni's Please Be My First Love. She has contributed to the music for films including Luck-Key, The Prison, Along with the Gods, Anarchist from Colony, The Battleship Island, and Big Deal.
JEONG Na-hyun
Music director and composer working across film, television, and video games, she is from the 13th class of the JIMFA. She composed for TV dramas including See You in My 19th Life, Typhoon Family, God and the Law Office, and How to Become a Building Owner in Korea, and served as music director for the films Live Stream, The Informant, and Salmokji: Whispering Water.
LEE Sangmin