Both Sides of the Gun

Piers survives the collapse of the underwater base and returns, but isn't greeted with the trust he expected. Now Chris has been assigned as his handler, and together they have to find out why a high security BSAA database has become a target. But when Chris is captured by an unlikely enemy, will Piers be able to save him when there is no one left to vouch for him in the BSAA?