'It is that quick, it is that strong, it is that beautiful. And it is also totally impossible.'

Even though she knows it's impossible, Seren longs to have the sunshine on her skin. It's something she feels she needs to stay sane. But when you're floating through space at thousands of kilometres an hour, sometimes you have to accept there are things you cannot change.

Except that the arrival of Dom in her life changes everything in ways she can barely comprehend. For a while he becomes the Sun for her; and she can't help but stay in his orbit. Being with him flaunts every rule designed to keep their home in order, but to lose him would be like losing herself.

In the end they must decide what is most important: loyalty to the only home they've ever known, or to each other?