Held at gunpoint, Jin Gyeom disappears into the past. When he tries to save his mother one more time, he faces his future self once again. And despite learning that his mother is the root of all the consequences he has faced thus far, he still chooses to stand by her side. Now, left with only one decision to set things back to the way they should be, Jin Gyeom points his gun. Later, Tae Yi finds herself in the present, where no one remembers Jin Gyeom. (thetvdb.com)