The disastrous couple Yeri and Bambam planned to construct a restaurant for the sake of business and to add more things on Bambam's shopping list ( yes, Bambam ). And an idea came to Bambam to set up tje opening event to a restaurant for couples for one day. And that's solely to setup this eventful day to his hyung, Choi who had a crushing on Mark Tuan ( the exact embodiment of human perfection ), for him to be happy .