Keiko was the 15-year-old orca that played Willy in the movie. He became the first captive orca ever to return to the wild.

The series primarily follows an orphan boy named Jesse who befriends a killer whale named Willy, and eventually develops a strong connection. While trying to juggle his newly found life ...

But when Willy is a dud in front of the audience, the marina owner plans some bad things, and the boy and his friends must try to (*** MAJOR SPOILERS ***) free Willy.