Four New York City school girls with no memory of the previous day are drawn to a late-night rendezvous by mysterious butterflies. Under cover of night, a dark-clad woman makes a shocking revelation.
Be careful to pay attention to students 
who have changed, even just a little.
Seid aufmerksam, was kleine Veränderungen
an euren Klassenkameraden angeht.
Presten atención a estudiantes
que hayan cambiado, aunque sea un poco.
Guettez les moindres changements
chez les élèves.
Preste atenção nos alunos que mudaram,
mesmo que pouco.