The dark indie Mystery Bleak Night paints a brutally realistic portrait of broken friendship and teen discontent with fatal consequences. After high school student Gi Tae takes his own life, his guilt-ridden father tries to seek out answers to why.

He learns that Gi Tae had two best friends - Dong Yoon and Hee Joon - both of whom have been absent in the aftermath of Gi Tae's death. As the film jumps between events in the past and present, the father gradually learns what went wrong among the three friends, ultimately leading to the death of his son and unravels the brutal mystery..