Rose didn't count on becoming a mother to a brand new baby dragon egg. She's always wanted to be a paleontologist, and is now in college studying to become one. But a chance meeting at the American Museum of Natural History turns her world upside down. Because, millions of years after dragons have gone extinct, there's an egg that seems to be unexpectedly . . . alive. The egg knows what he wants. He wants Rose and a stranger, Henry, to be his new parents. But can three strangers of two different species become a family?