"Uncle Rabbit" unexpectedly got stranded in Wuhan, and reluctantly took a job as a cleaner at a hospital, remaining optimistic and encouraging those around him despite being under 'life-and-death tests'; truck driver Old Yang and the post-90s driver Dongzhi grew together on the long journey of 1,000 kilometers, bringing love and warmth to Wuhan; Doctor Xia, who is 'double cold and one scared', and his wife Doctor Lu, who is 'three laughs and one positive', went to the epidemic area together, showcasing a unique 'battlefield couple's love'; during their quarantine period, mother-in-law and daughter-in-law were on the brink of conflict, but a 'united front' was slowly being formed; medical staff, the People's Liberation Army, and volunteers actively stepped up to fight against the epidemic together, eagerly awaiting the completion of Huoshenshan Hospital for the treatment of critically ill patients; in the field hospital, mildly ill patients with distinct characteristics formed a 'temporary family', finding joy in hardship; soon-to-retire Doctor Wu took the initiative to undertake the screening work for the happy community, with rookie civil servant Xiao Zou becoming a partner, as the combination of young and old worked together to complete trivial grassroots tasks, spreading great love through small community matters.