Captive whales and dolphins are the subject here, tracked from capture to performance to early death in marine park tanks. Actor Mike Farrell narrates a history of the industry that built SeaWorld-style entertainment on wild-caught orcas and dolphins, using archival footage of early capture operations alongside present-day interviews with former trainers, marine biologists, and activists who worked inside or around these parks. The film lays out specific grievances: mortality rates that outpace wild populations, tanks that offer nothing like the range or social structure of the ocean, and permits and loopholes that let parks keep operating despite documented harm. Former trainers describe what they saw on the job, and biologists explain what captivity does to animals built for open water and complex pods. The film contrasts footage of whales and dolphins in the wild with their confined counterparts, using that gap as its central argument. It closes by naming the industry's practices directly rather than leaving the conclusion to the viewer.