Mystery Mansion

Melissa finished her nurse's course and was accepted as a nurse at the local hospital. The problem was she had no money for an apartment. Once she checked her mail, there was a letter from a lawyer. Her Uncle Wilber had left her a house. When she saw it, she was a little shook up. It was the known as the haunted house. Well it was a place to live. She cleaned up the kitchen and one bedroom. Once she turned out the light and went to bed, she could hear someone in her house. Now what was she supposed to do?