S1, E1: A story that follows doctors of the newly-established EICU who rely on their medical expertise to save every patient. Overcoming differences, they pour their hearts and soul into preserving life. Returning from abroad, Xiao Yan carries the pains of having lost her fiancee as she arrives at Tongshan Hospital. Despite being gruff and tough on the outside, Xiao Yan is remarkably meticulous on the operating table as she conducts surgeries with machine precision.