Jessica, Tiffany, Sunny and Krystal plan to take a vacation for the meantime. Since it's been a long time they hang out together because of their work and family matters, so they decided to go to Korea the only place they promised to go when they wanted to be relax and free from stress.

Will their meantime vacation will be really a Meantime when they meet these persons who would change their minds in staying just for the meantime and make it forever and will they grow loving each other or just an adventure with them.