Helen is a young woman who hardly ever leaves her home. Bored one night, she turns on the TV only to see a broadcast announcing an evacuation for her neighborhood. Locked inside, she must solve puzzles in order to find the key and escape her house.

Helen is a young woman who hardly ever leaves her home. Bored one night, she turns on the TV only to see a broadcast announcing an evacuation for her neighborhood. Locked inside, she must solve puzzles in order to find the key and escape her house.