A boy from Sumenep, Madura Island, participates in the International Physics Olympiad in Singapore to find his mother who left him to work in Singapore when he was a child.
as Pak Tio Yohanes
as Cak Alul
as Cak Kumis
as Muslat
as Deborah Sinaga
as Cut Mutia
as Erwi
as Muhammad Arief
as Clara Annabela
as Pak Nurdin
as Muhammad Thamrin
as Salmah (Arief's Mother)
as Bima
as Anna
as Ibu Tari Hayat
