Having to start over from the beginning, especially after making a lot of progress.
The popular Twitch streamer and YouTuber Atrioc said this phrase many times in his video titled "He Took My World Record. I Need It Back.", where his goal was to speedrun all of the main missions in Hitman: World of Assassination in a row on the hardest difficulty, and if he messed up, he had to start over from Paris, which is the first location in the game.
*Accidentally knocks down a house of cards that's taken hours to build*
"Guess we're going back to Paris..."