Flying at 40,000 feet in a state-of-the art aircraft that she helped design, Kyle Pratt's 6-year-old daughter Julia vanishes without a trace. Or did she? No one on the plane believes Julia was ever onboard. And now Kyle, desperate and alone, can only count on her own wits to unravel the mystery and save her daughter.

San Francisco Bay, January 18, 1960. Frank Lee Morris is transferred to Alcatraz, a maximum security prison located on a rocky island. Although no one has ever managed to escape from there, Frank and other inmates begin to carefully prepare an escape plan.

A year after losing his friend in a tragic 4,000-foot fall, former ranger Gabe Walker and his partner, Hal, are called to return to the same peak to rescue a group of stranded climbers, only to learn the climbers are actually thieving hijackers who are looking for boxes full of money.