富豪郭世榮 (廖啟智 飾) 女兒被殺，引發全城哄動。年輕律師何學銘 (陳家樂 飾) 接手案件，為無權無勢的疑兇李逸峰 (黃定謙 飾) 辯護。

面對控方律師陳康禮 (譚耀文 飾) 毫無破綻的不利証據，何學銘只得向金牌大狀雷有輝 (方中信 飾) 求助。唯雷有輝的非常手段，令法律黑白界線愈變模糊……

一場「一級指控」案件，牽引政商勾結，惹來殺身之禍。爭取公義，只是收起雙手站在雞蛋一方，高牆就會自己倒下?到底，你能為它犧牲多少?

When a young man is accused of killing the daughter of Hong Kong’s richest tycoon after a drunken tryst, his poor shop-owner grandmother insists he is innocent and seeks legal aid.

Hotshot lawyer Lei You Hui, who lost a pivotal case defending local merchant’s rights 10 years earlier, agrees to take the case, seeking redemption for the previous defeat. Lei’s investigation unearths a conspiracy that may not only expose the truth behind the crime but also unravel a web of corruption.

Alex Fong shines as the eponymous attorney in this gripping thriller woven around class struggle and moral bankruptcy.