The search for the truth could be fatal Suspecting her father's murder is linked to a smuggling ring sends private investigator Danika Lewis pursuing a lead all the way to Carlsbad Caverns National Park. Teaming up with ranger Tru Butler to search the off-limits caves for the missing artifacts is the fastest way to uncover the truth. But there's danger in the dark and a killer who will do anything to keep secrets hidden. From Love Inspired Suspense: Courage. Danger. Faith.