Thriller Ideas

As a group we came up with some ideas for our Thriller coursework.
We drafted three ideas which were:

1. Women waking up with blood confused as to why.
2. Women chained to basement by husband and left there.
3. Women outside mystery house man attacks her.

We then concluded with joining ideas 2 and 3 together to create our opening scene.

A women is outside a mystery house holding the address of the house in front of her, she then enters this mystery house, following the trial of blood which is leading to the basement door, she looks around suspiciously, then gets attacked by a mystery figure and locked in the basement where she later awakes to find herself chained and confused of her whereabouts...