Jessica Schlafer: 2 books

Five high school friends decide to go on an innocent camping trip together. For one horrifying night, the friends are terrorized by an evil entity sent to destroy their lives.

The first book in the Abagail Moss series. Abagail is asked to help a family friend get back millions of dollars from a dangerous criminal. Abby is pulled into one dangerous situation after another trying to help her friend. She finds out that not everything is what it seems when she meets the man of her dreams. Will she make it out alive?