Hi-Five (Korean: 하이파이브) is a 2025 South Korean fantasy action comedy film written and directed by Kang Hyeong-cheol. It stars Lee Jae-in, Ahn Jae-hong, Ra Mi-ran, Kim Hee-won, Yoo Ah-in, Oh Jung-se, and Park Jin-young. The film was released theatrically on May 30, 2025.
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Plot
An unidentified man is rushed to the hospital and undergoes organ donation, with doctors Go and Oh performing the surgery. After removing the viable organs, they complain about the procedure being unusually difficult due to the corpse's tough skin. Suddenly, a female doctor screams about a ghost, and when the two doctors rush back, they find the body turning to ashes. A flashback reveals the identity and past of the mysterious donor.
The donor's heart goes to a girl named Park Wan-seo, whose father Jong-min is a former Olympic medalist and now a taekwondo instructor. He is overprotective due to past trauma and restricts her physical activity. However, Wan-seo begins to discover superhuman abilities, kicking a sandbag into the ceiling and running at lightning speed. She meets a nerdy young man, Park Ji-sung, who also has a superpower, an absurdly strong lung capacity. He urges her to find others like them. This leads them to a gathering of organ transplant recipients.