The relationship between Ed, a married astronomer and Amy, his lover, who spend their years apart, is based only on phone calls and texts. One day Amy begins noticing something strange in Ed's messages.

A teenage girl and a young boy run for their lives to cross 'The Line', but are they running away from danger or towards it?

The relationship between Ed, a married astronomer and Amy, his lover, who spend their years apart, is based only on phone calls and texts. One day Amy begins noticing something strange in Ed's messages.