Luna, a cruise ship chambermaid, has to quit her job to attend to her sick brother. While doing so, she discovers that her mother has gone missing and her brother's condition is getting progressively worse. The siblings desperately sneak into an empty condo unit but soon discover that Penthouse 77 is not what it seems.
After being released from prison, a father tries to reconnect with his daughter by taking her on a tour of college, but they soon find themselves fighting for more than their lost relationship when a murderous cult pursues them.
