Written by: Damian Kindler Directed by: Martin Wood INTERIOR OF SUBMARINE [Helen is turning valves and she is wet.] HELEN : Come on... [Helen watches the readouts on a screen.] HELEN : That's more like it [Helen settles at a desk in front of monitors, she hears a noise and looks at the air vent as it closes. Helen hurries around the small room checking the air vents.] HELEN : Come on...no. [Helen moves to the door and tries to turn a large wheel for opening and closing the door. It won’t turn.] HELEN : All right. [Helen goes back to the monitor, CONTROL LOCKED, is on the screen. She watches as the CO2 and Oxygen levels change on the screen read out.] HELEN : What? [She rushes back to the door and looks through the glass port hole.] HELEN : Don't do this. [Helen begs with Will