Psychologist Lin Chen had always believed love was unmeasurable—beyond prediction and variables. Then police officer Xing Cong Lian asked the impossible: "What kind of person should I marry?" What unfolded shattered every certainty. The first variable revealed itself: Xing Cong Lian was far more than an ordinary officer casually drinking beer at crayfish stalls. His true nature lay hidden beneath an ordinary facade. The second variable proved more elusive: neither could pinpoint when they fell in love. Did Xing Cong Lian's feelings develop first, or had Lin Chen always sensed the truth beneath his own calculated denial?