A YouTuber plays a prank on his girlfriend, Sophie, by tricking her into thinking he and his friend Chloe (who is pretending to be his ex-girlfriend) still have feelings for each other. The prank involves Chloe flirting with the YouTuber and making Sophie jealous. The prank escalates with a fake game show where Chloe answers questions about the YouTuber's preferences, making Sophie think she knows him less. The prank ends with Chloe kissing the YouTuber, causing Sophie to become angry and confrontational. The YouTuber eventually reveals the prank, and Sophie is relieved and amused.
Here are the key facts from the text:
1. The video is a sequel to a previous video titled "Sophie meets my new girlfriend".
2. The previous video had 5 million views.
3. The video's creator, Dom, is playing a prank on his girlfriend Sophie.
4. Dom's friend Chloe is helping him with the prank.
5. Sophie is unaware that the video is a prank.
6. Dom told Sophie that they would be hanging out with an old friend, but didn't tell her it was Chloe.
7. Chloe and Dom have a history together, but Dom says their relationship is separate from his relationship with Sophie.
8. Dom and Chloe used to talk and flirt with each other, but never ended things officially.
9. The group plays a game called "Who knows me better?" with ridiculous questions.
10. Dom had given Chloe the answers to the questions beforehand.
11. Sophie becomes upset and angry when she realizes she's being pranked.
12. Dom reveals that the whole thing was a prank at the end of the video.
13. Sophie forgives Dom and the video ends with a lighthearted tone.