10 parts Ongoing When Miyeon starts receiving cryptic texts warning her to think twice about her seemingly perfect boyfriend, she brushes them off as some twisted prank. But the texts grow more persistent, urging her to question his every move. As she begins to doubt him, the unthinkable happens- he disappears, and Miyeon is left with nothing but a trail of strange messages and a gnawing sense of dread.
Desperate for answers, she follows the mysterious texts that seem to lead her closer to the truth. But with every step, the danger deepens, and the person behind the texts manipulates her into believing that only she can save him. Torn between her love for him and the eerie feeling that something is deeply wrong, Miyeon embarks on a risky search for her missing boyfriend.
As the lines between love and betrayal blur, Miyeon must decide how far she's willing to go to uncover the truth and whether she can trust her own heart.