Abandoned at the age of 5, Luhan is intent on ruining his birth mother’s life, even if it includes taking away everything her adopted son Yixing has.          

Yixing lands his first job as an assistant director in the famous EXO Studios but things aren’t going as planned.   Namely because:   The main star of the show is a demanding 8-year-old at heart;

  Oh Sehun hates to run but for Luhan, he’d join a marathon.