Franck just had the most crazy and wonderful idea for a company that would finally get him and his friends proper jobs. As Uber delivers food, Amazon daily items, Song Express will deliver songs. To your friends, or your loved one, or yourself, anywhere you want. It is brilliant, it is foolish, it could work… For Franck, Jean-Claude, Sophie and José, Song Express becomes something more than just a professional challenge: it is the dream of a lifetime.

故事發(fā)生在未來(lái)的時(shí)空之中，犬流感的肆虐讓市長(zhǎng)（野村訓(xùn)市 配音）頒布的狗狗流放法案，將城市里的所有犬類都投放到了“垃圾島”之上，任它們自生自滅，市長(zhǎng)家的護(hù)衛(wèi)犬點(diǎn)點(diǎn)（列維·施瑞博爾 Liev Schreiber 飾）首當(dāng)其沖。就這樣，本來(lái)被養(yǎng)在家中錦衣玉食的狗狗們，都成為了要在垃圾堆里找食物吃的流浪狗。首領(lǐng)（布萊恩·科蘭斯頓 Bryan Cranston 配音）、君主（愛德華·諾頓 Edward Norton 配音）、老板（比爾·默瑞 Bill Murray 配音）、公爵（杰夫·高布倫 Jeff Goldblum 配音）和國(guó)王（鮑勃·巴拉班 Bob Balaban 配音）是島上的五只流浪狗，它們通常結(jié)伴行動(dòng)。一天，市長(zhǎng)的養(yǎng)子阿塔里（科宇·蘭金 Koyu Rankin 配音）忽然駕駛著飛機(jī)降落在了島上，他要在這里尋找他一生的摯友點(diǎn)點(diǎn)。