Soon, LIK-AH becomes the Peoples' Hero of Sham Shui Po, helping grassroots groups fight against injustice with unconventional tactics.
On the other hand, barrister WONG SZ-FU (Myolie Wu), who used to admire LIK-AH for his invincible performances, starts to disdain him for downgrading to a ghetto lawyer. However, after a few court cases with him, the two start to appreciate each other and fall in love.
Besides succeeding in her relationship, SZ-FU tries to become an elite practitioner in town. In order to gain advancement, she seizes every chance to get close to the renowned barrister TSEUNG PAK-KEI (Shek Sau). As PAK-KEI enjoys getting people into trouble, he makes sure SZ-FU is accidentally embroiled in a lawsuit.
In order to save SZ-FU, LIK-AH has no choice but to challenge the law.