Two teenagers, Dicky and Willie, are graduated from the college. When Dicky meets a confident, dorky teenage girl named Nina, Dicky was shocked and naughty due to her problem.
The story tells the successful businessman who had two teenage children. The first child, portrayed by Hidayat, was a bachelor and master of medic, graduated from the foreign college, and another child, portrayed by Sianturi, who was a ditzy, confident idealist who wants to give a lot of knowledge. His younger brother puts the material as the lifetime outreach, to better compile with his parents.
The elder brother in his disappointment towards family attitudes who wants to make knowledge into a business field, finally left on a village. His love and heart grows to a ditzy, spoilt, dorky village girl named Mentari. One day, the girl was born from a self-hangout parents. The elder brother now became shocked, dorky and naughty because of the fault.
Some years later, the arrival of the foreign rich family who has single girl became the neighboring businesswoman brings a lot of major changes for two of the said siblings. The younger brother thinks that his career was expanded in which followed by merging two of the companies like the neighboring girl's company. But the elder brother's mystery who a naughty, dorky specialist doctor is more warned and loved that girl. The younger brother attempted to pull the dorky girl's love from elder brother's hand, but the girl's romance was no longer became shattered towards the elder brother who was an idealist.
The teenage siblings with the entire foreign rich family are finally solved greed and mystery in which straightened with a lace of hearts and romance.