Bright, curious thirteen-year-old Kim is spending a summer on Shag Island in Maine. The island and mansion on it have been in her family for generations, but now Kim’s great-grandfather intends to sell them. Kim and her mother busy themselves with preparations, but when Mom is called away on business, Kim and great-grandpa find themselves alone on the island. strange music, bright flashing lights, and an exotic parrot convince great-grandpa that he is losing his mind. But Kim knows what she saw, and as she digs into the mystery, soon realizes they are in grave danger. Now she must discover what—or who—is haunting Shag Island.