Merely Known as Something Else tells the story of a man who disappeared one day and the three women entangled with him for different reasons, presented with meticulous emotion and a unique format.

Horim, who is studying in London, watches a video of a strange woman on a camcorder she accidentally picked up. A few days later, she meets her ex-boyfriend Dong-hwan, his current girlfriend Kyungseo, and Yiwon, Kyungseo’s friend and the woman who appears on the video in the camcorder she picked up.