Former high school friends run into each other years later and drunkenly decide to make good on their promise to marry each other if they're both still single by 30 - only to discover too late all the things they liked about each other when they were younger have changed.
Right before tsunami happen in Indonesia, there was a time glitch in various parts of the world, including in Jakarta. At that time, three friends who back to Cibubur, West Java suddenly moved to Bukittinggi, West Sumatra.