Set in 2009, a time when analog and digital worlds collide, Lee Eojin is an ordinary high school sophomore living in Busan—but secretly, she’s the famous online fanfiction writer “Lee Jeongdok,” known for writing about a top idol group, Armageddon.
While hiding her identity from everyone, she is unexpectedly exposed by Nam Juyeon—the younger sister of Ji-hyuk, a member of the very group she writes about. Using this secret as leverage, Juyeon begins to blackmail her. Now, Eojin must navigate the threat while trying to protect her hidden identity.