Hervé enlists Emilio to help him kidnap Lise and transport her to the sea. The girls visit Lise’s tomb and discuss whether or not they remain willing to kill when the butterflies beckon.
I guess, "I saw her ghost"
would be more accurate.
Supongo que "vi a su fantasma"
sería más preciso.
Acho que "vi um fantasma"
faria mais sentido.