Plot

When the siren sounds, someone must be sent out to be eaten alive by creatures from another world. After three days the six survivors are running out of time, people and options. Who will go next?

An air raid siren drones over blackness. Fade in to Bens hand shutting the door. Dave, a strong, young man listens as Ben is brutally torn apart by monsters. Rachel, a thin woman with tear-swollen eyes cradles her husband Lee, who clings to life as he soaks in his own blood; a giant bite sized chunk of flesh is missing from his upper arm. Amy, stunned and in shock, holds herself, her dress, body, face and hair are splattered with gore. Jasons head hangs with shame, guilt, depression, and regret. Frank, the owner of the house, looks on with indignant bitterness.

After the monster outside the door drags Bens corpse away, Frank flippantly asks who goes next, volunteering Dave. When Amy suggests Frank goes next, he reminds everyone that he gave them food, water, and shelter over the past three days. Amy snaps, confronting him on his cowardice when they fought the monster and her boyfriend died. The argument leads to her running to the bathroom and slamming the door. Dave warns Frank not to yell at her again.

Lee wakes, blurting out that they came from the sky as Rachel eases him back to the floor. As he fades into unconsciousness Rachel explains they saw ships with creatures inside. Lees wound isnt bleeding much anymore, but the huge pool of blood beneath them indicates bigger problems ahead.

Amy returns from the bathroom and talks about who will go next. Dave wants to talk about an escape plan, but Frank reminds them of the reality of the situation. The planet has been overrun; there is nowhere to escape to. Jason agrees, suggesting they stay and think over their circumstances more. Amy wants Lee to go next, and everyone but Rachel agrees. When Rachel tries to wake Lee, Dave checks his wrist, finding no pulse. Rachel retreats to the bathroom, sobbing, as Jason covers Lees body with a blanket.

Since the creatures wont take a dead one Lee cant go next, so Frank suggests Rachel volunteer. Dave knocks on the bathroom door, asking her if she would be willing to go next. She doesnt respond so they break in and find Rachel dead, her wrists slit.

Frank and Dave argue over who goes next now that Rachel is dead. Dave blows up, and demands the keys to Franks truck. Before he can open the door and leave, the siren sounds again. Dave doesnt want to go now, but Amy, Jason, and Frank vote unanimously that he goes. Dave throws Frank out of the open door instead. The sounds of the monster retreat and Dave bolts out of the door. Amy quickly follows, leaving Jason alone.

Jason hears a car start, and watches Dave and Amy drive off. He turns the handle on the door and the siren sounds. He shuts the door and backs into the corner. Heavy footsteps approach the door; the door blows open to black screen and sounds of Jason getting torn apart.