Bae Eun-bi

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.

Eun-soo and Eun-ha, a couple, left of the popular music production company to shout their individuality and form a Milky Way band with Dong-eun. Meanwhile, Dong-eun, who was investing to earn living expenses, even invested the band's money, but failed.The rest of the members, angry at Dong-eun who disappeared, sell the guitar that means a lot to Dong-eun... Dong-eun returns and goes on a journey to find a guitar.

Seung-tae, who was preparing to immigrate, visits his colleagues whom he had worked with for six years, to bid them farewell. While meeting his colleagues, Seung-tae goes out to search for the grave of Ki-hoon, who passed away not long ago.

Su-jeong is shocked to find out that the new hire she has to train is the ex-idol and her former bias, Woo-jin. At first, she's put off by how different Woo-jin seems from his idol days, but becomes more understanding when she hears about his stalker. When the stalker starts targeting Su-jeong, Woo-jin vows to protect her… only to find out that Su-jong's childhood friend Ki-tae has made the same vow…