Ellenor is called to the house of her close friend, Senator Keith Ellison, where she finds the dead body of a man in his bed. The senator claims to shooting the man, thinking he was raping his wife, not realizing they're actually having an affair. In a sensational trial, full of twists and turns, Helen and new ADA Alan Lowe try to prove the senator murdered the man in a fit of rage - but no one is ready for the real truth behind this crime.

《律师本色第六季》是一部讲述了恶水之源爆炸因果未明，津门事变，悬案再起，再次聚首，探寻连环大案背后真相的故事，本剧以宏大的世界观架构了两个概念，该剧最大看点案情设置也多从现实社会问题出发，剧集案件再升级，整体线索是完全勾连和贯穿的，处处设有伏笔，让人为守护正义不辞艰辛的剧情所感染。