A disastrous start: He Yue transmigrates as Li Er and wakes up in a dirt pit in a mass grave.
This Li Er is not the real Li Er. A female assassin with the same appearance has taken his place, after killing the original eunuch Li Er.
Li Er can barely breathe, so she scrambles out of the dirt. She never expects to terrify Lin Fu, who was burying the dead, until his nose runs with snot.
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The eldest young master thinks Li Er is her stepmother’s spy and mercilessly abuses her.
Her stepmother thinks Li Er is a traitor and tries every possible way to make her disappear.
Others whom the original Li Er offended are plotting in secret as well.
Terrified, Li Er is forced into the family’s power struggle.
In this bloodless battlefield, survival in the Marquis’s household is an arduous struggle. How can she find a place for herself?
To stay alive, Li Er reluctantly helps Liu Mianluo, who is hopelessly lovesick, pursue the eldest young master.
Unexpectedly, the eldest young master defies his family and intends to take Li Er as a concubine in the Marquis’s household.