After Donald Tusk said there was a "special place in hell" for people who promoted Brexit without a plan, LBC host James O'Brien asked for people angry with him to call in and tell him whose plan they voted for.
Only one man took up the challenge, and it didn't go particularly well.
Over the course of the conversation which turned increasingly fraught, O'Brien asked the caller 10 times whose plan he had voted for.
At no point was an answer forthcoming.
Listen to what happened in the video above.