England, 1890s. The brutal and embittered Marquis of Queensberry, who believes that his youngest son, Bosie, has an inappropriate relationship with the famous Irish writer Oscar Wilde, maintains an ongoing feud with the latter in order to ruin his reputation and cause his fall from grace.
Lord Alfred Douglas

Lionel Jeffries
Marquis of Queensberry

Emrys Jones
Robbie Ross

Maxine Audley
Ada Leverson