After learning that the owner of their new house is coming back, Tanisu and his family return to their old home in search of medicine that will make the others appear human.
then I have to keep researching the medicine!
!فعليّ أن أواصل البحث في هذا الدواء
tengo que seguir investigándola.
tengo que seguir investigándola.
Je dois les perfectionner
en continuant les recherches.
non ho altra scelta che continuare 
a fare ricerche su questa medicina!
então eu tenho que continuar
pesquisando o remédio!
Потому я и хочу продолжить исследование!