Following the discovery of Nana’s body, the autopsy reveals that she was gang-raped and stabbed non-fatally, leading to her death from blood loss.

Jin kidnaps Miaomiao and refuses to reveal his location, bargaining for three days' freedom to attend Nana’s funeral in Kyoto.

Jing attempts suicide but is saved by Jin, leading her to refuse to testify against him, forcing the police to drop the charges.

It is later revealed that Miaomiao’s father harbors resentment towards him due to an accident that injured his younger sister, exacerbated by a recent prank that caused further harm.

The Japanese police conclude that Nana's wounds were self-inflicted and that her death was a result of her emotional distress, exacerbated by Miaomiao's rejection.

The film is adapted from Lao Huang's novel of the same name, which tells the story of a father's crazy revenge after his daughter was murdered,[3] and is the third part of Cao Baoping's "Heartburn (灼心) trilogy" following The Dead End and The Perfect Blue.

[11][12] During the filming process, Huang Bo engaged in extensive shooting at sea and portrayed a wide range of emotional fluctuations.

[23] John Berra of Screen Daily, describing it as "one of the most relentless Chinese thrillers in recent memory" and he also especially praised the "riveting performances" from Huang Bo and Zhou Xun.