February 12 is just another day in Sam's charmed life until it turns out to be her last. Stuck reliving her last day over one inexplicable week, Sam untangles the mystery around her death and discovers everything she's in danger of losing.
Four children (the Swallows) on holiday in the Lake District sail on their own to an island and start a war with rival children (the Amazons). In the meantime, a mysterious man on a houseboat accuses them of a crime they did not commit.
Sofia discovers the incredible mystery behind her amulet. Princess Elena from the Kingdom of Avalor has been magically trapped inside Sofia's amulet, waiting for another Princess to set her free, and Sofia is up to the task!