Rebecca, caught by Shifter Bureau in a forbidden area, is charged to help Walker Danielson, on military attachment to the Bureau, to find a woman suspected of being abducted by Shifters. Rebecca has no choice but to agree. Walker and Rebecca met when Walker was abducted and ended up tied up on Rebecca's floor. Now the tables are turned, and Rebecca has to go along with whatever Walker proposes. As they find themselves in danger with wilder Shifters not under the Austin Shiftertown's control, Rebecca discovers what kind of strengths Walker has. The mating frenzy Walker touched when he had been Rebecca's captive now flares to life as the two fight to find the missing woman and survive the mission. Contains mature themes.