Sightlines · how to watch
How to watch Mad Detective
2007 · Wai Ka-fai · Mad Detective on Sightlines
5 things to watch and listen for on a first viewing, without spoilers, and 3 more once you have seen it. Each names something you can see or hear, the pattern it belongs to, and what noticing it gives you. How these keys work.
On a first viewing
Watch the visual style stay identical even when impossible things appear. (camera)
The film never shifts color, lens, or stock to mark a subjective vision. When extra figures fill an ordinary interrogation room, the camera reports it as plainly as everything else.
Payoff: The lack of any visual warning is what makes Bun's sight so unsettling to watch. In the reading: dicisign. The reading calls this a dicisign: the camera showing a man perceiving, so we watch the act of seeing itself.
Notice extra figures crowding an otherwise ordinary scene. (staging)
A single suspect can be surrounded by several other actors playing his hidden personalities, all blocked into the frame as though they physically occupy the same room.
Payoff: A scene that should hold two people is quietly holding many more than that.
Watch Bun move as though the extra figures are solid obstacles. (performance)
Lau Ching-wan plays Bun with total physical conviction, navigating around people no one else can see as if they were as real as any piece of furniture.
Payoff: His certainty is what makes it possible to believe he sees something real, not just delusion.
Listen for whether the extra figures make any sound at all. (sound)
The inner personalities move through scenes with the same sonic presence as everyone else, footsteps and voices included, with nothing marking them as unreal.
Payoff: The sound design refuses to treat Bun's sight as a symptom to be pathologized.
Notice the editing cut between two different versions of one room. (cutting)
A scene will show you Bun's view, crowded with personalities, then cut to his partner's view of the same room holding only one man.
Payoff: Both versions are cut with equal confidence, and the film never tells you which one to trust. In the reading: falsifying-narration. The reading calls this falsifying narration: two versions of one scene held as equally true, with no ranking between them.
The 3 rewatch keys open on this page when you choose "Seen it?".
Carry this in: Watch for anything extra in an otherwise ordinary room. The camera won't warn you.