Posting to /literature because we're a real forum with real subforums

Plot summary:

Nephew Tristan is tasked with retrieving Iseult, a maiden to be the wife to his Uncle, the King.

Tristan and Isolde (alternate spelling) accidently consume a love potion while in transit. She marries the Uncle, but carries on a secret affair with Tristan, while both still attempt to remain loyal to King Uncle

Uncle finds out and banishes Tristan, who escapes execution, stops banging his aunt, and marries another lady named Iseult

There's a bunch of alternate versions featuring dogs and lepers. There's also hypotheses of this story's true origins (Roman, Persian, etc)

Alright I'm done