Boonchu 7 (1993)

Original title: บุญชู 7 รักเธอคนเดียวตลอดกาลใครอย่าแตะ

Boonchu and Molee are getting married. But they both have a special task to accomplish as to prove their true love to Manee, Molee’s sister. They have to rebuild their newlywed home and to help clean the polluted canal attached to the home. Of course, the mission could not leave alone all his friends to join him and Molee win this game.