1985in 2018, the military medical team was ordered to rescue the third company of a railway corps at a critical stage of construction. molly, zeng buyu, zhao yiqin, wenting and wang jianyun in the medical team center, and since then, they have formed a puzzled relationship with the soldiers of the third company. ddd。 a few years later, they switched to a career and started a new life. zeng buyu built a house in the suburbs of beijing to live a stable life. after the third company commander mu jianfeng and molly met again, their relationship warmed up, and wang jianyun and wenting also talked about marriage. but wenting found that she suffered from hereditary mental illness and she took the initiative to leave. mu jianfeng felt ashamed of being inferior to molly, and quietly left to do business and married zhao yiqin. molly married into another woman. in 1998, during the wave of reform, zeng buyu was inspired by writer zhou zaipeng to transform his residence into buyu mountain residence, and his comrades occasionally came here to recall the past. several years have passed, wang jianyun divorced and found wen ting to renew her relationship. mu jianfeng divorced, but he was unable to be with molly in the end. zhao yiqin found a new life partner. at this time, buyushanju is about to be eliminated in the market tide, but it always records the love and the purest emotions of these comrades in nearly half of their lives.