Harper's Island

A wedding party gathers on an island with a troubled history. Harper's Island takes the familiar slasher setup and gives it the space of a serial mystery, allowing suspicion to move among people who already have reasons to dislike or distrust each other.

The location does useful work. A celebration ought to make everyone feel temporarily removed from ordinary problems; here that separation becomes a source of unease. The family tensions and old friendships give the mystery more to use than a collection of strangers waiting for the next incident.

It is an openly pulpy programme. The appeal lies in the accumulating uncertainty and the practical pleasure of following clues, not psychological subtlety or realistic investigative procedure. Its limited run also means the central question does not need to support an indefinite succession of seasons.

Try it if you want a sustained murder mystery with the rougher edges of a horror film. The Sinner is a more reflective investigative alternative; Harper's Island is much closer to a dangerous weekend that keeps getting worse.