After years of experience, Patrick Dykstra knows exactly how to behave around whales, already having had countless close proximity interactions with these unique animals. In 2019, in Dominica, he has an encounter with a female sperm whale that completely throws him off. He gets the overwhelming feeling that she is trying to communicate with him. Intrigued, he returns to the island in search of her and, through stunning underwater footage, reveals the hidden world of her species.