Your shadow is one of the very few things that stays with you throughout your entire life. You may only notice it in harsh light, or when it makes funny shapes, but it’s always there.

Three pets—a wise old dog named Shadow, a young excitable dog named Chance and a snobby feline named Sassy—escape from a California ranch and embark on a dangerous quest to find their owners.

A foundation started by Amazon founder Jeff Bezos and his partner Lauren Sánchez has given Homeward Bound of Marin a five-year, $2.5 million grant. Homeward Bound, the county’s chief provider ...