It's the most wonderful time of the year, and for Heather Andrews, security manager at Timberwoods Mall, undoubtedly the busiest. But this Christmas, Heather has more to contend with than frazzled parents and disgruntled Santas. Angela Steinhart, a young woman who designed the mall's spectacular holiday displays, has had a premonition that tragedy will strike on Christmas Eve. And Angela's visions have a habit of coming true.