神经(jīng )外科(kē )副(fù )(👷)教授顾云峥在(zài )拉卡亚执(zhí )行医疗援(🃏)助任务时,偶遇弃医从(🍥)商的“逃(táo )兵”苏(sū )(🐉)为安(ān ),二人(🏴)从欢(huān )喜冤(💤)家到互(hù )生情愫(⏬),他(🎏)逐渐(🌗)发现她所有(🚤)的反常行为(wéi )(🔸)源(👑)于她(🤷)携(🗄)带亨廷顿(dùn )舞蹈(dǎo )症致病基因。爱人(🚥)让他(🕌)对全(📞)国三万(wàn )名(míng )亨廷顿(dùn )(✖)患者及家属无药可治的悲伤绝望感同身受,顾云峥决定(dìng )(📯)放弃大(dà )好(hǎo )前(qián )程,毕生投入(🎛)到(dào )(🌊)治愈这种罕见(🙂)病(bìng )的研(yán )究中去,与爱人并(㊙)肩在黑暗中(zhōng )凿出(chū )一道光。