Complex sentence: Ultimately, Jess has no option but to release him back into the wild, but in an area where the cougars are protected from hunter, dogs, and other predators, there he finds the same female cougar, and lives happily ever after.
Split into simpler sentences: Ultimately, Jess has no option but to release him back into the wild, but in an area where the cougars are protected from hunters, dogs, and other predators. There he finds the same female cougar, and lives happily ever after.