Wen Sui, a modern clothing brand planner, accidentally traveled to a wealthy family in the Republic of China and became a sideline girl who was abandoned by the family's calculations. Relying on her advanced business ideas, she started from a small embroidery shop and broke into a world in the turbulent Shanghai. However, she unexpectedly ran into Pei Zheng, a general with many troops and shady actions. The two went from testing each other to supporting each other, and jointly guarded one side of the fireworks in the turbulent business world and the whirlpool of power.