One afternoon in 1839, Emily Lowry's husband vanishes from Wreckers' Cay, an isolated island off the coast of Key West where he tends to the lighthouse. As days stretch into months, Emily has no choice but take charge of Wrecker's Cay and her husband's duties tending the light to support her three children--and a fourth on the way. Unexpected help arrives when a runaway slave named Andrew washes up on their beach. At first, Emily is intensely wary...