Mushroom House: Loyal family, exposed by daughter

The sixth season of Mushroom House started broadcasting on a small island in the south of China.
Just when everyone was attracted by the scenery on the island.
Zifeng discovered a magnificent small courtyard in the distance.
When it was learned that there was only an eleven or twelve-year-old girl living in the yard.
Everyone yelled at the girl's father.
Leaving such a young child here to live alone is simply not worthy of being a father.
but.
When everyone entered the courtyard with the girl's consent, everyone was shocked.
There are ten houses and one ancestral hall in the courtyard.
In the first room, eight blood-stained Song Dynasty armors, a golden knife and seven golden spears.
In the box on the altar, there is even a note that says "seven sons go, six sons return".
In the second room, there are more than ten plaques bestowed by ancient emperors.
...
In the ninth room, there are death notices all over the wall.
When the tenth.....