A serial killer ruthlessly hunts down a deaf woman through the streets of South Korea after she witnesses his brutal crime.

Kye-na, an average woman in her late twenties, holds a steady job and a committed boyfriend, Ji-myoung. Yet instead of feeling content, she constantly faces uncertainty, confusion and anxiety. While struggling with personal relationships and life's woes, Kye-na finally embarks for New Zealand despite everyone’s dissuasion on leaving her home behind.