Benny was a prison inmate working secretly for Bejo and his gang, He is first seen in the toilets, with the prison mob being sent to beat Rama. He is then beaten by Rama, who went undercover as Yuda, who was sent to prison after beating the son of an important politician.
In the prison canteen after the fight in the toilet, he was presented by Uco, Bangun's son, as one of his most trusted men inside the prison. Later on in the prison courtyard on a rainy day, Benny and his men attempt to kill Uco, but was stopped by Yuda. Benny's attempt to kill Uco results in a prison riot, which led to the deaths of some of the prisoners and guards and most of them wounded in the process. Benny himself tries to crawl towards Uco and even wounds him, before he was stopped and beaten by Rama.
After betraying Uco, he was released from prison sometime afterwards, but was captured by Bejo's men. Benny was given as a gift for Uco for revenge. Uco takes a look at Benny's tattoo, before he cuts Benny's throat. By the end, Uco realized that Benny had similar tattoos as Bejo, and soon finds out that Benny was secretly working for Bejo's game. By discovering this, Uco realizes that he was cheated by Bejo and his gang.