A girl named Tibby exhibits spontaneous psychic and telepathic abilities that draw intense attention from family, spiritualists, skeptics, and the wider public. The story traces investigations into her clairvoyant visions and seances, which trigger social curiosity, legal disputes, personal rivalries, and perilous incidents including fire and a blizzard. As adversaries mount a counterplot and loved ones clash over belief and exploitation, hidden motives come to light and Tibby’s gifts are put to a decisive test, leading to revelations that resolve the immediate conflicts and restore a measure of order.