He woke up in the hospital with no memories of the past. But someone remembered some of them for him. And that someone is someone who no one seen before, claiming that he's his lost twin brother. 

A gameshow that is called EXO Destiny Pair is finding couples to participate and 6 pairs of couple are specially selected for the show. It is a gameshow where the viewers determine which team will stay and which team will leave the game.  Their fate is in your hands! You will have the rights to vote for the teams~