州警察(chá)丹（格(gé)兰(lán)特(tè)·古(gǔ)斯汀(tīng)饰(shì)）梦想加(jiā)入(rù) K-9 搜(sōu)救队(duì)，却苦(kǔ)于得不到机(jī)会(huì)。收(shōu)容所(suǒ)犬露比梦想有(yǒu)一个(gè)家(jiā)，却看(kàn)不到希(xī)望。当(dāng)命(mìng)运(yùn)让丹和露比相遇，一人(rén)一犬之间(jiān)的深(shēn)厚羁(jī)绊(bàn)将(jiāng)帮(bāng)助(zhù)这(zhè)对搭档(dàng)应(yīng)对迄(qì)今(jīn)为(wèi)止(zhǐ)最艰(jiān)巨的挑(tiāo)战(zhàn)。根(gēn)据(jù)真实(shí)故(gù)事(shì)改编(biān)