This episode of 'The Good Whale' narrates the life of Keiko, the killer whale from 'Free Willy', detailing his journey from captivity in a polluted Mexican amusement park to attempts at rehabilitation and potential release back into the ocean. The narrative unfolds through the lens of his trainers' affection, public outrage over his deteriorating health, and the ambitious efforts by environmentalists to transition him from captivity, raising essential questions about human-animal relationships, conservation, and the complexities of rewilding efforts amidst emotional sacrifices.