Os fails in his examination and his looked down upon by his family and the villagers. Nevertheless he is good in the chemistry and biology and invent a formula that enables mutes and animals to speak. A businesswoman is interested in his invention and brings him to Kuala Lumpur. Unfortunately, she cheat him and he is declared bankrupt.

Awang and Salleh lives in a fishing village in Kuala Terenggan. Salleh is a sailor while Awang is a mechanic. His expertise in repairing boats earns him the nickname Awang Spanar. One day, while on a two week company sponsored vacation in Kuala Lumpur, they witness a kidnapping of Imran who is the son of a wealthy man. One of the kidnappers, Udin Didih, notices Awang and Salleh informs his boss, Ali Jibon. The kidnappers are on the look out for the two witnesses. Finally the duo manage to apprehend the kidnappers with the help of Inspector Lydia.