Police detective Clayton Douglas is summoned to a remote hospital where a mysterious Civil War veteran's outrageous deathbed confession forces him to accept the supernatural.

Thomas Magnum, a decorated former Navy SEAL, returns home from Afghanistan and applies his military skills to become a private investigator in Hawaii taking jobs no one else will—with the help of fellow vets T.C. Calvin and Rick Wright, and former MI:6 agent, Juliet Higgins.