Shiba San and Meow Chan, a hit children's show in which the two brothers act a dog and a cat respectively, has been sweeping through kids and thus bringing fame to the two. Though radiant on stage, they both have something on their minds. Shiba san has been secretly in love with a married man, while Meow chan miss his remarried mother and it confused him when she abandoned him. An journey later on will lead the two strays to confront their emptiness inside.

一个阳光和煦的午后，一对结缡三十多年的老夫妻，沿着港边小路漫步。他们久违的谈话，从子女的生活事，逐渐回归到两人的感情事。路途上，偶遇的旧识说着人世的聚散无常；当年相爱定情的场所，更显情感丢失后，无法寻回的惆怅。漫漫长路的终点，有着青春相伴的回忆与分离。