Several years after rescuing female dolphins, Winter, Dr. Clay Haskett and his team are now on a mission to find a new companion for Winter, when his surrogate mother has died.
Beberapa tahun setelah menyelamatkan lumba-lumba betina, Winter, Dr. Clay Haskett dan timnya kini dalam misi mencarikan pendamping baru untuk Winter, ketika induk penggantinya telah mati.