Isaac was so silent, clearly lost in his thoughts.

The car was so quiet that no one dared to break the silence.

Finally, Camila said, “Greta can't remember you because something was implanted in her brain. I don't yet know exactly what it is, but I think it's an interference device. Also, it is in the memory part of her brain."

Stunned, Isaac looked at her with questions in his eyes.

“How did you know?" Isaac wanted to know how Camila knew Greta.