In the last gasp weeks of 1957, nine-year-old pals Rand and Will patrol their sleepy California beach town investigating their greatest mystery yet: the Big Gyp. Like their heroes Frank and Joe Hardy, the boys sleuth out secrets hiding in plain sight. New, man-made objects arc across the night sky, replacing Santa and his sleigh - fathers and mothers seem on the verge of important, unspoken changes - and a haunted mansion pulls at them like a strong...