Search for The Coins in the Every KEY places: on the dressing table in the bathroom, under the plasma televisor, on the sofa, in the kincken - in the trasher, in the stove, on the sink, under the bed(yes yes!), in the BATH, UNDER the bath, in the dresser, do NOT perform any plot actions BEFORE you find the coin on EVERY MONTH - otherwise you will NOT get the secret ending. One of the coins can be on the floor even!