Hugo Llor, a 12-year-old boy who spends most of his time on the streets. His day is also spent in the shipyards and his dream is to become a shipbuilding craftsman, although his fate is uncertain. Hugo's life is not easy, he is a very lonely boy and his mother is forced to move away from him, but he has the support and protection of a respected old man: Arnau Estanyol.。1934年8月,红六军团作为中央红军的先遣部队进入黔东南。苗侗儿女银秀、余大庆、月亮山、嗓嘎以及进步女学生陈秋蓉先后参加了红六军团的侦查小分队。不久,红军受到白军的围追堵截,在困牛山被围,小分队在队长关钟的带领下浴血奋战突出重围。和银秀有杀父之仇的民团团长陈沛然伙同陈秋蓉的未婚夫、黔军营长周汉祥,妄图剿灭红军小分队。在关钟的带领下,小分队的队员们怀着坚定的革命信念,一边寻找红军大部队,一边播撒着红色的火种,进行了艰苦卓绝的斗争。 12月,中央红军进驻黔东南的黎平,小分队回到了红军大部队的怀抱。而陈沛然不甘心失败,秘密潜入黎平县城,阴谋进行破坏活动。小分队和敌特进行了惊险的战斗,最终消灭了敌特。。