The drama you can see in the video is a Korean drama airing in Taiwan on GTV from August 20th to September 25th called "Take Care of Us Captain" (拜託了，機長 in Chinese). Jolin's song is used for the Taiwanese broadcast only of course.
It's not the first time that one of Jolin's songs is used for the Taiwanese broadcast of a Korean drama, 即時生效/Take immediate action was "東森原來是" ("You're Beautiful")'s theme song.
MUSE will be released on September 14th. Preorder ir HERE!!