A story begin in 2012, there was a rumor that the world would end in this year, causing fear and selfishness in a small village. Bangpun, an eight-year-old boy who believed helping others was pointless because of his past emotional wound, decided to do one good thing before the end of the world by finding a birthday cake for his younger sister. Along his journey, he was forced to help others in order to receive help, gradually discovering the happiness that comes from kindness. In the end, although the world did not end, but Bangpun had learnt the true value of sacrifice and helping others.