The modern elite Su Wan traveled through time and became the bullied concubine Shen Qingci. While she was pretending to be "cowardly", she was secretly cultivating her confidants and collecting information. Due to a seemingly accidental incident, she was "forced" to marry Xiao Heng, the sick son's eldest son. On the wedding night, the two maintained a tacit understanding of the superficial harmony, but through several secret crisis trials, they gradually realized that each other was not simple.
The idea: Let each main character have his or her own highlight and arc.