This new adventure film tells of the adorable twin brothers Upin and Ipin together with their friends Ehsan, Fizi, Mail, Jarjit, Mei Mei, and Susanti, and their quest to save a fantastical kingdom of Inderaloka from the evil Raja Bersiong. It all begins when Upin, Ipin, and their friends stumble upon a mystical kris that leads them straight into the kingdom. While trying to find their way back home, they are suddenly burdened with the task of restoring the kingdom back to its former glory. With help from Mat Jenin and Belalang, Upin, Ipin and their friends must overcome a series of challenging obstacles in this action-packed, magical and humorous adventure film produced by Les’ Copaque Production Sdn. Bhd

Upin & Ipin: Keris Siamang Tunggal adalah film petualangan dan fantasi terbaru dari Upin & Ipin dan keenam sahabatnya: Ehsan, Fizi, Mail, Jarjit, Mei Mei, dan Susanti dalam menyelamatkan kerajaan fantasi Inderaloka dari ancaman musuhnya, Raja Bersiong yang jahat. Cerita bermula saat Upin, Ipin, dan para sahabatnya tak sengaja menemukan keris mistis di gudang Tok Dalang yang ternyata membuka portal menuju kerajaan Inderaloka.

우핀과 이핀, 그리고 친구들이 환상의 왕국으로 향하게 되는 신비한 단검을 우연히 발견하게 되면서 모험이 시작된다. 집으로 돌아가는 길을 찾는 도중에 그들은 왕국의 예전의 영광을 되찾는 임무를 불현듯 맡게 된다.