When Julie and Ivy visit a wildlife rescue center after finding a baby owl in Golden Gate Park, they learn about two eagles who need help before they can be released back into the wild.

"There are no polar bears left on Bear Island. At least, that's what April's father tells her when his scientific research takes them to a faraway Arctic outpost for six months. But one night, April catches a glimpse of something distinctly bear shaped loping across the horizon. A polar bear who shouldn't be there--who is hungry, lonely, and a long way from home. As their unlikely bond grows, April is determined to save her new friend--and so begins...