本片通过描写曾经的空手道黑带高手徐永海因为遭遇家庭变故,独自抚养儿子徐小海长大,在生活的压力下开始打假拳,被儿子小海撞破后,立下誓言再也不打,却又不得不接下日本高手冈本一郎和冈本文子的生意,因而展开的一系列令人啼笑皆非的故事。
A bright-eyed freshman's decision to room with a popular student leads to what starts as an exciting new friendship but gradually transforms into a subtle battle of wills.