You will start by facing a desk. Turn around and jump over this ottoman towards the large double door that leads to a hallway. Take one step forward outside this double door. Turn right and take one step down the staircase. Turn around once again and you wills see another double door opening in front of you. Walk inside there, now turn right and walk down the hallway. Continue to walk down the hallway until you reach the master bathroom. Stand close to the bath tub. Stand inside the bathtub and you're done.