Doc—Delilah Oliver Clementyne's—orders are simple: do the impossible and do it yesterday. A genius/bad ass, she does the impossible on a regular basis. But this time the impossible is complicated by an imminent war between the Earth expedition to the Garradian Galaxy and the Gadi, an encounter with some wife-hunting aliens, and not one but two bands of time travelers.

The only way it could get worse? If the heart she didn't know she had starts beating for the wrong guy...