讲述了墨家机(🔨)关(🆓)术传人沈(shěn )拓（(📒)刘林(lín )(🐌)城饰）为(🃏)解救(jiù )被(bèi )囚禁在(zài )机(🕰)关城的未婚(hūn )妻(qī )姜刃（刘静(jìng )怡饰）(🔬)接受无(wú )极监狱典狱(yù )长（杜玉(yù )明饰）的赌(♑)局(📼)，进(jìn )入(rù )机关城最底部，与(🗄)六名(🎡)队(duì )友共同(tóng )寻(💆)找神秘的墨家至宝。但(🛺)墨(mò )家机关城内布(🍮)局精良机关(guān )千变万(wàn )化无(wú )(🤯)穷无尽，陷阱遍布杀(shā )机(jī )暗藏，传言至今从(cóng )未有(🖲)人能(❔)够活着出来。沈拓(🥔)和队友(🙂)就此(🔝)开始了(le )一场跌宕(dàng )(🌞)起伏(㊙)、扣人心弦的密室生死逃(🥫)亡(🤷)……