Set in a Hani village on the Yunnan border, an intriguing tale of espionage unfurls. During the summer of 1962, three junior middle school students—De Long, Wei La, and E Ma—returned to their village team with a buzz of excitement around their beekeeping endeavor. Their aim was to present honey as a heartfelt gift to the nearby PLA comrades on the eve of Army Day. However, their tranquil summer took a dramatic turn when they unwittingly stumbled into a complex web of enemy espionage. This unforeseen predicament thrust them into a perilous struggle, pushing the boundaries of their knowledge.