White and Macdonald both experience powerful feelings of nostalgia—sentimental longing for past happiness. White longs for what he imagines as a simpler, less confusing time. Macdonald’s nostalgia is more personal: she misses her father. But, like White, she can’t turn back time. Her father’s photographs capture moments in time, preserving them. But they’re not always good moments, as his last snapshot proves.