1. OPENING IMAGE (1)

A sewer, dark and wet.

2. THEME STATED (5)

"People get thrown down the drain" the forgotten ones - prisoners, homeless, freaks. We don't see them but could easily become like them.

3. SET UP (1-10)

There is danger underground. The characters are introduced. The heroine is shown as a bit arrogant, selfish and a drinker.

4. CATLAYST (12)

She misses the train and and is locked underground.

5. DEBATE (12-25)

Can she get out of the underground?

6. BREAK INTO TWO (25)

Guy is attacked and dragged off.

7. B STORY (30)

The homeless girl gets attacked by something.

8. FUN AND GAMES (30-55)

Security guard killed, there is no escape from the tunderground, Guy dies, Jimmy is killed.

9. MIDPOINT (55)

45th Minute - the creep shows up in person. They escape the cage - false victory.

10. BAD GUYS CLOSE IN (55-75)

George lies about the homeless girl in the chair being dead, she is killed horribly. The creep is unharmed by the earlier

11. ALL IS LOST (75)

Ryan is a wolf, most of the men are dead and the Sarge is well on his way to becoming a wolf.

12. DARK NIGHT OF THE SOUL (75-85)

Cooper contemplates killing Sarge

13. BREAK INTO THREE (85)

The girl is one of them! Cooper hides in the basement as Sarge sacrifices himself to blow the place up.

14. FINALE (85-110)

Cooper hides in the basement as the place explodes but the wolf Ryan is down there with him. They fight.

15. FINAL IMAGE (110)

Burnt out house.

VERDICT

Though the final and opening image don't seem to have much to do with each other the beat sheet is pretty much acurate for the whole film.