In an alternate ninth century, twelve-year-old Anya and a new friend face a Viking and a tsar to protect the water dragon that saved her life, putting her family's home at risk.

When her younger brother vanishes into the colorful and animated world of Playmobil, Marla is compelled to abandon her organized and structured life to rescue him. She soon crosses paths with two others investigating the disappearances -- secret agent Rex Dasher and food-truck driver Del -- as they discover new worlds and gather clues.