讲述了(🍅)墨家机关(🆓)术传人沈拓（刘林(🐌)城饰）为解(🕋)救(jiù )被囚禁在机(jī )关(guān )(🤢)城的未婚妻姜刃（刘静怡(yí )饰(shì )(🍖)）接受无极(jí )监狱典狱长(zhǎng )(🌫)（杜(dù )玉明饰）的赌局，进入机(⚫)关城最底部，与六名(🎡)队友共(gòng )同(🙍)寻找(✳)神秘的墨家至宝。但(🛺)墨家(jiā )机关(🥞)城(🗑)内(😚)布局精(jīng )良机关千变(🐶)万化无穷无尽，陷阱遍(biàn )布杀机(jī )暗藏，传言(yán )至(zhì )今(🛑)从(cóng )(⏯)未有人能够活(huó )着出来(lái )。沈拓和队友就(jiù )(📙)此开始了一场(chǎng )跌宕起(🙄)伏、扣(🙀)人心(xīn )弦(⛓)的密(⏰)室(🈴)生(shēng )死逃亡……