Laura wakes in the night from a recurring nightmare of a child's scream and a body thrashing in water... The next day she is still reeling from the news that Emily lied about her identity. And Emily's furious that she's getting the cold shoulder from Laura. In a pestle and mortar, she crushes an ominous white powder. Laura comes home to find Emily playing nurse to her sick daughter. After a confrontation, they make up, and Emily becomes a temporary nanny. Later, a now paranoid Laura receives a threating letter at work...
