Acting as a good Samaritan to a 14-year-old boy, Danielle is shocked when the boy pulls a gun on her and forces her to drive to a secret location before shooting her point blank in the head. While hiking in the remote Sierra Nevada Mountains, Amy is critically injured after falling 60ft into a rocky ravine. Capt. Mark has moored his big game fishing boat at a Mexican marina when a deranged intruder surprises him in an unprovoked knife attack that leaves him fighting for his life.