The lobby manager, Tu Xiao Ning, who works on the first floor of Huayuan Tower, is in a crucial period of probation. Ji Yu Heng, a talented young man working on the seventeenth floor of the tower, is a rising star in the business. They share a common desire to get married as soon as possible, and this is where two parallel lines intersect. Adapted from the novel "Ban Gong Shi Yin Hun" (办公室隐婚) by Qing An (轻黯)