People have fought for honour and died for it. People have murdered others because of it. Why is this notion so powerful and so lasting? In this edition we examine the honour-codes of the Japanese samurai, we explore honour in the works of William Shakespeare and look at the persistence of so-called honour killings.

Produced by Ian Muir-Cochrane

(Photo: A man dressed in a Samurai costume and helmet during a festival in Japan. Credit: Buddhika Weerasinghe/Getty Images)