The Inheritance

Rahel recieves a letter from her aunt's lawyer informing her of her death and that as she is the last living relative she will inherit everything. She goes to her aunt's funeral, with Kat, and finds that something is happening inside the house. Derek has a premonition that sometihng is going to happen to Rachel and tells her that she needs to be careful while inside the house.

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S01E20 - The Signalman