Kira Farseaker is in a race to save an alien species, the Shifters, from a government-sanctioned extermination. Officer David Cario infiltrates her world in the hopes of discovering proof of illegal activity by her ex-husband, the commander of a Shifter Extermination squadron. But David finds more than he bargains for, discoveries that turn his world and beliefs upside down. Despite a love that defies their duties and endangers both their lives, Kira and David discover that to succeed, the hardest thing they will have to do is learn to trust each other.