Nuo tide got married for her sister, but on the wedding day, the groom, Lu Lintao, claimed to be ill and avoided seeing her, so his younger brother went to the wedding hall on his behalf. When she first entered the powerful Lu Mansion, she made a contract with the unpredictable young master Lu: they were husband and wife, sleeping in separate beds.
She used her identity as young lady to secretly investigate the truth behind her sister's tragic death, while he dealt with the family crisis and the undercurrent of the court, making every move.
The suspicion in the mansion, the suspicion of the old case, and the strife in the court made the two people overcome difficulties together through repeated trials and joint efforts. He protects her, and she understands his plans. The alienation under the contract gradually gives rise to feelings, but she is repeatedly stopped because of her identity and secrets.
When the conspiracy points to the foundation of the Lu family, and when the old case involves the grudges of the previous dynasty, they go from "each getting what they need" to "depending on each other for life and death", and hold each other's hands in the chess game of power——
In the clear light of the bright moon, they stay together despite traveling through mountains and rivers and refuse to let go. It is also the fireworks world that belongs to them after the dust has settled.
Purpose: Husband and wife work together to eliminate evil and punish evil