You win a contest that includes a trip around the world. The only catch is that you have to go with a stranger you’ve never met before. How bad can it be? You can just ignore each other. But when you arrive at the airport, you realize the other person is definitely not a stranger, it was your ex who dumped you 2 years ago...

"ah...long time no see, dear"

his lips curled up into a sly smile as he walk towards you while holding his luggage.