Time of the Wolf movie plot

George (Daniel Duvall) and his wife Anna (Isabelle Huppert) take their two children, Ava, to settle in the countryside, but find that the house has been occupied by strangers. Although Anna took back the house, the terrible life began. The people who were kicked out were actually survivors of a flood. Now they have established their own moral and social system in this village. They do not allow outsiders to disrupt their order. Anna's family became the victims of this system. There are always some inexplicable things happening around Anna's house, and the children are always inexplicably hurt. But Anna was not afraid, she and George decided to stick to it. However, the ending was tragic. George was murdered. Anna took the two children and left the sad place that brought them endless pain   .