Misteryo sa Tuwa (English: Joyful Mystery) is a 1984 Philippine period drama and political thriller film written and directed by Abbo Q. Dela Cruz for the Experimental Cinema of the Philippines. Set in the town of Lucban, Quezon in 1950, three men Ponsoy (Tony Santos Sr.), Mesiong (Johnny Delgado), and Jamin (Ronnie Lazaro) discovered and retrieved a suitcase from a plane crash site and never reported it to the authorities and when the authorities approach Alcalde Valle, the town's mayor, to help find the suitcase, the latter made a vicious plan to steal the money for his greed. It also stars Amable Quiambao, Alicia Alonzo, Maria Montes, Vangie Labalan, Lito Anzures, and the extras in the film that tackles greed, corruption, and hatred.

Plot

On the morning of August 19, 1950, in the village where an army outpost is situated, the three men Ponsoy, Mesiong, and Jamin, along with their families, are on their way home after the baptism of Ponsoy and Ada's son, Tiko. However, as they are almost near to their destination, the military jeep broke down and they were forced to walk on foot to the village. Despite the problem earlier, they are still on their way while the villagers are preparing, and then, they invite Captain Salgado and the people at the camp to the occasion. By the time they arrive, the celebration started to become joyous when the villagers began to enjoy the music, dancing, and the food and drinks they serve.