The story takes place in Shanghai and Suzhou from 1925 to 1937, with warlords fighting and economic turmoil as the background of the era. The Suzhou embroidery family He Jia gradually declined due to their involvement in the struggle between the chamber of commerce. Yang Zirong, a Shanghai youth gang, appeared to be a shipping tycoon, but in fact secretly ran an underground intelligence network. The two met because of a mysterious Su embroidery "Secret Fragrance Picture". In the intertwining of conspiracy and love, they protected traditional culture and the righteousness of the family and country.
