Due to some of our information, the family spent most of their time on the first floor. Furthermore they went to bad at the night of disappearance. There were no sign of entering from outside: nor on each doors, nor on each windows. One of the neighbours heard very sharp noises and spotted some flashing lights in the middle of the evening. However according to a document, we got to know some personal information, which might be referred to some people who had somekind of relationship with a family member. Let’s start your way on this path and try to reveal the principal!