I stole the sweetheart of my concubine Feng Pianpian to be my consort, and Feng Pianpian hated me to the core. When we were visiting the garden, Feng Pianpian tripped me from behind, and I fell into the Taiye Pool. When I fell, I dragged Feng Pianpian down with me. After being rescued, I found that we had exchanged identities. Feng Pianpian became the eldest princess and I became the concubine.
Intention: I stole my sister's sweetheart, but in an accident, my sister and I exchanged identities