My father-in-law dug up a grave and left three empty coffins in my house overnight. What does Feng Shui say?

Nothing will happen at all, and nothing bad will bring good luck. Your wife is his daughter, and you are his half-son. Your husband's family affairs are also your family affairs. Let’s go and see what the burial book says:

When a person receives his parents’ body, his body will receive Qi and his body will be shaded.

The bodies of parents are the roots of their descendants, and the bodies of their descendants are the branches of their parents. One breath shades the other, and the branches are connected from the roots. Therefore, Cheng Zi said: It is necessary to predict the beauty and evil of the land. If the land is beautiful, the gods will be at peace and the descendants will be prosperous. If the roots are cultivated and the branches and leaves are luxuriant, this is true. If the land is bad, the opposite will be true. Cai Jitong said: Life and death are different paths. Emotions and Qi are related to each other, and nature and silence communicate with each other. Now we are looking for violent bones. If a living person pricks the blood and drips it and seeps into it, it is the flesh and blood. If it does not seep into it, it is not. The relationship between Qi and Qi has been established. It is nothing more than a corpse. Monk The successors and continuations of the Tao are also born in different ways, so how can they be able to conceal their existence? But I don’t know that the human heart is connected to Qi, and the heart is the master of Qi. If emotions are connected, Qi will also be connected, and if righteousness is absolute, the shade will also be of absolute value. Therefore, the stepmother can shade the former mother and her children, and the former mother can also give birth to the stepmother and children. When they are in the world, they will wither, borer, and fly. This is the case, so there is no doubt about it.