This study was conducted to improve students’ speaking skill in MAN 2 Aceh Barat using Plotagon Story. Plotagon Story was applied as media in teaching speaking activities to improve students’ speaking skill. It was aimed at two folds of research objectives. First, it was to find out whether or not Plotagon can improve students’ accuracy of MAN 2 Aceh Barat. Second, it was to find out whether or not plotagon can improve students’ fluency of MAN 2 Aceh Barat. The study employed quantitative research method to calculate how effective the plotagon application is used to improve speaking ability. 32 students were taken as the sample. A speaking pre test and post test were used as a research instrument. The pre test was in the form of speaking perfomance on a topic of dialogue of “ Asking and Giving “ to know the students’ accuracy and fluency in speaking. The students were required to speak with their partner in front of the classroom. The post test was given to know the improving students’ speaking ability after being taught a Plotagon Story. To analyze students’ speaking skill, the analytic scale was used in giving scores to the students. This process was followed by analyzing different aspects of language namely vocabulary, pronunciation and fluency in speaking. Based on data analysis, it is known that there is an improvement in students’ speaking ability. The result indicated that the students’ speaking improve in all aspects. In accuracy, the mean pre test of vocabulary (56,06) and the post test (76,31), the mean pre test of pronunciation (54,44) and the post test (73,94). In fluency of speaking, the result also indicated that the mean pre test (53,47) and post test ( 70,13). It can be concluded that the use of Plotagon Story can improve the students’ speaking skill at MAN 2 Aceh Barat. Therefore, the use of Plotagon Story in the learning process and in improving students’ speaking is highly recommended to be applied at all levels