讲述了墨家机(jī )(⛲)关术(🐽)传(chuán )人沈拓（刘林城(🌰)饰）(🕋)为解救(🕸)被囚禁(🕰)在机(🤴)关(guān )城的(de )未婚妻姜(jiāng )刃（刘静怡饰）接受无(💤)极监狱典(diǎn )狱长（杜玉(❣)明(🌗)饰）的赌局，进(⚫)入(rù )机关(guān )城最底部(bù )，与六名队友共(gòng )同寻找(🥄)神秘(mì )的墨家至(zhì )宝。但墨家机(🗑)关城(chéng )内布局(jú )精(jīng )良机关千变(🕕)万化无(🐖)穷无尽，陷阱(jǐng )遍(biàn )布杀(🚣)机暗(🥁)藏(🌚)，传言至今从未有(yǒu )人(💱)能够活(huó )着出来。沈拓和队(duì )友(🔝)就(✋)此开始了一场跌宕(㊙)起(qǐ )伏、扣(kòu )(💪)人心(xīn )弦的(🈴)密室生死逃亡……