Threshold

When Jeremy Ross, a twenty-four-year-old medical student, agrees to help a former girlfriend investigate her father's death, he has no hint of the gauntlet that lies ahead. Soon he's confronting both a powerful conspiracy and the recurrence of a serious medical condition that threatens his self-control. Determined to press on, he follows up on his only lead - a colossal research center in South Carolina called Tucsome. Once inside the facility, he makes two startling discoveries: Tucsome receives billions more in government funding than anyone imagines, and its brilliant chief scientist has…