TV series

Detective Investigation Files IV

1 season

A long, emotionally tangled procedural where murder cases and messy love lives collide, leaving a lingering sense of loss.

Overview: Detective Investigation Files IV (Chinese: 刑事偵緝檔案IV) is the 4th and final installment of the Detective Investigation Files TV franchised by TVB in Hong Kong. It is a complete reboot of the series, with new cast. The series focuses on the lives of two detectives, Tsui Fei (Louis Koo) and Kong Chi Shan (Sunny Chan), and the murder cases they deal with.
How it feels: Melancholic, tense, romantic and dark. Measured and needs your attention.
About: Grief, obsession, betrayal, love
Content: Strong violence. Mild gore, sexual content and language.
Note: Written by AI, so it can be wrong. Full breakdown

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Written by AI. It can be wrong.

Full breakdown

Tone: melancholicstrength 2 of 3
tensestrength 2 of 3
romanticstrength 2 of 3
darkstrength 1 of 3
Pacing: measured, 2 of 4, from slow-burn to relentless
Attention: engaged, 3 of 4, from background-friendly to demanding
Themes: grief
obsession
betrayal
love
justice
Places: big city
workplace
Era: contemporary
Audience: adult
Form: serialised
procedural
Content intensity: Gore mild
Language mild
Violence strong
Sex mild