Teresa Dunn was born in Kenya but left the country when she was very young. She now returns to help a famous doctor with his work. The doctor tells Teresa he wants to find a medicine which will stop people getting river blindness, but he behaves strangely and Teresa feels she cannot trust him. What is really happening?
6. klassile paras lugemisharjutus, kuigi mõned olla kurtnud, et liiga raske. Süžee poolest põnev, keskendudes haigusele, mis teeb põdeja pimedaks, ning sellest, kuidas mõnikord ei osata inimese kavatsusi õigesti hinnata. Samuti teemaks heategevus vs ravimifirmad, kes kalli raha eest ravimit tagasi inimestele müüvad.