6年前,因陆老夫人的暗中操作,许希不得已和病重的陆亦宸分手,却发现自己已经怀孕。许希默默生下两人的孩子,取名为许乐乐,并在乐乐5岁那年病逝。没了妈妈的许乐乐拿着陆亦宸的照片以及当年的定情信物,带着小黄狗独自流浪找到爸爸。Young musicians Andy, Ian, Ciro, and Darío meet by chance at a restaurant, where they get involved in an unexpected situation: A valuable guitar has just disappeared. To recover the guitar and return it to its owner, they must put together a band.。