The Culprit (2019)

Plot

After a brutal murder claims Young-hoon's wife, detectives uncover a hair sample that leads them to his friend, Joon-sung, who is promptly arrested. As Joon-sung's wife, Da-yeon, grapples with the nightmare of her husband's wrongful conviction, she implores Young-hoon to testify in his favor. When he fails to appear at the trial, Da-yeon decides to confront him at his home, seeking answers and a way to navigate the shocking twists of betrayal and loyalty that have turned their lives upside down.