TL:DR How two different poisoning plots could interfere with each other to produce the results seen at Joffrey’s wedding. Afterwards, a closer examination of the Tyrells’ likely motives. * * * Hold on to your hats, folks – it’s another Purple Wedding theory! The outline below is a combination of facts gleaned from the books and reasonable conjecture. Page numbers are based on US paperback editions. * * * Petyr Baelish/Littlefinger did brag about masterminding