Turangga (Ponco Buwono), a high school student, goes on a field trip with his friends to Sanghiang Island, the site of an expedition led by Turangga’s parents, Professor Abidin (El Manik) and his wife Mayangsari (Ully Arta), along with several other experts. Just as Turangga and his friends arrived, Prof. Abidin and his wife were kidnapped by a group of criminals who had turned the island into a hub for their drug trafficking operations. Turangga tried to rescue his parents but got trapped and was captured as well. Fortunately, Mila (Firda Razak), a member of Turangga’s group, bravely infiltrates the criminals’ hideout and manages to rescue Turangga and his parents. With the help of the police, the criminal gang is successfully apprehended.
