Mist and Vengeance

Jesse, Mandy, Damien, and Cassie thought the crisis was finally over. The bad guys were dead, Cassie was safe, and they could finally take a vacation together. They were all looking forward to the start of a normal life, well, as normal as they could imagine.
They were wrong. All of them are plunged into extreme dangers and chilling discoveries. The worst part was that they were separated again!
The four discover things they wish would have been kept buried. How will they find their way back to one another?