Middle-aged Li Ming is deeply trapped in a desperate situation in life. After his factory goes bankrupt, he repeatedly suffers business failures. His whole family relies on his wife's meager odd jobs to get by, leaving him with no choice but to change careers and deliver food to support his family. Day after day, he hurries through wind and rain, enduring cold stares and covered in injuries, yet he still clenches his teeth to hold up his family. On a stormy night while delivering a meal, he is hit by CEO Zhao Qin's car, suffering a fracture. Faced with her private compensation of one hundred thousand, he, despite his impoverished family background, holds fast to his bottom line and flatly refuses, strictly guarding his original intention and refusing unearned wealth. He is mired in the mud yet possesses an unyielding and proud backbone. By down-to-earth resilience, he touches Zhao Qin, gains a career advancement opportunity, and ultimately relies on diligent hard work to make a comeback in life, living out the burning backbone of an ordinary person.