The elder brother, who was imprisoned for murder, wants to quit after his release, but still can't avoid the entanglement from his past. The younger brother, who is a policeman, just tries to perform tasks under the command. However, both of them got mixed up in the struggle between police and organized-crime rings.

因為殺人而入獄的哥哥，在出獄後想要金盆洗手，卻奈何過往恩怨糾纏不放，當警察的弟弟，在號令之下執行任務，卻將兄弟倆都捲進了黑白兩道之間的鬥爭。
這是一段關於黑道、警察、親情與愛情的故事；或被利益或被親情或被愛情牽絆著，沒有人能夠置身事外，一對兄弟，黑白兩道，就像棋子一樣的被操弄著，下棋的人到底是誰？而兄弟間又有什麼選擇？