Last Seen at 12:43

At 12:43 a.m., Luna breaks the only promise she made after her breakup: she opens the old chat with Raka Adinata. Then a message arrives that should be impossible, followed by a recording no one could have made. As Luna digs into buried family secrets and a name she was never meant to hear, she discovers that someone is waiting for her to read the last message, and that someone sounds exactly like her.