The theft of a diamond at a high-society gathering forces a group of friends to choose between the truth and their tribal allegiances. As suspicions fall on an outsider, the characters' hidden prejudices and conflicting codes of honor are brought to light. Galsworthy examines the destructive nature of social loyalty when it comes at the expense of justice. This tense, psychological drama reveals the fractures within the elite when their reputation is put at risk. It is a sharp study of the masks people wear to protect their status.