My sister disappeared from Westbridge Academy with three words written on her mirror: Do not search.
I enrolled anyway.
On my first night, my phone received a voice memo from her number.
Static breathed through the speaker.
Then Lily whispered, "If the bell rings thirteen times, hide your name."
The timestamp said tomorrow.
The location tag said East Tower.
East Tower had burned down three years ago.
Across the courtyard, prefect Julian Vale looked up at my window as if he had heard the message too.