Grave Secrets

A mysterious symbol connects two disappearances across time.

Security specialist Gavin Garrison becomes concerned when his sister Cate joins an exclusive college sorority with suspicious recruitment tactics and cryptic rituals. While investigating, he discovers a strange symbol that links the organization to another case-the five-year-old disappearance of a businessman in northeastern Pennsylvania.

Park ranger Samantha Cleveland has spent years wondering what happened to her uncle Richard, wh...