'Cal agrees to work as an undercover agent for SI-6 to find the whereabouts of his twin. But at an island getaway for troubled teens, Cal quickly discovers things are not as they seem. With secret hideouts, underground training camps,
dangerous clues and treacherous terrain, Cal has to face his most heart-stopping challenges yet. Will he find Ryan? Or will his first secret mission turn deadly?
'The clock is ticking. Any second could be his last.' (Publication summary)