在(zai)《古(gu)(gu)(gu)(gu)董(dong)(dong)(dong)(dong)(dong)(dong)局(ju)(ju)(ju)中(zhong)(zhong)(zhong)局(ju)(ju)(ju)3》中(zhong)(zhong)(zhong),古(gu)(gu)(gu)(gu)董(dong)(dong)(dong)(dong)(dong)(dong)古(gu)(gu)(gu)(gu)董(dong)(dong)(dong)(dong)(dong)(dong)鑒定師林瑤發現(xian)了一(yi)把傳說(shuo)中(zhong)(zhong)(zhong)失(shi)落已久的(de)局(ju)(ju)(ju)中(zhong)(zhong)(zhong)局(ju)(ju)(ju)明代寶劍(jian)。然而,古(gu)(gu)(gu)(gu)董(dong)(dong)(dong)(dong)(dong)(dong)這把寶劍(jian)引(yin)發了一(yi)場驚天(tian)陰(yin)謀,局(ju)(ju)(ju)中(zhong)(zhong)(zhong)局(ju)(ju)(ju)古(gu)(gu)(gu)(gu)董(dong)(dong)(dong)(dong)(dong)(dong)局(ju)(ju)(ju)內部出現(xian)了一(yi)位(wei)內鬼。古(gu)(gu)(gu)(gu)董(dong)(dong)(dong)(dong)(dong)(dong)為了揭開真相(xiang),局(ju)(ju)(ju)中(zhong)(zhong)(zhong)局(ju)(ju)(ju)林瑤不得不和(he)自己曾經的(de)古(gu)(gu)(gu)(gu)董(dong)(dong)(dong)(dong)(dong)(dong)對手合作,他們一(yi)起深入古(gu)(gu)(gu)(gu)董(dong)(dong)(dong)(dong)(dong)(dong)市場的(de)局(ju)(ju)(ju)中(zhong)(zhong)(zhong)局(ju)(ju)(ju)黑暗世(shi)界,一(yi)步步揭開隱藏在(zai)古(gu)(gu)(gu)(gu)董(dong)(dong)(dong)(dong)(dong)(dong)背后的(de)古(gu)(gu)(gu)(gu)董(dong)(dong)(dong)(dong)(dong)(dong)驚人秘密(mi)。在(zai)這場充(chong)滿謎團和(he)危險的(de)局(ju)(ju)(ju)中(zhong)(zhong)(zhong)局(ju)(ju)(ju)冒(mao)險中(zhong)(zhong)(zhong),誰又將成為古(gu)(gu)(gu)(gu)董(dong)(dong)(dong)(dong)(dong)(dong)局(ju)(ju)(ju)中(zhong)(zhong)(zhong)局(ju)(ju)(ju)的(de)古(gu)(gu)(gu)(gu)董(dong)(dong)(dong)(dong)(dong)(dong)勝利者(zhe)呢?