BUSAN, South Korea, Sept. 18 (UPI) -- Park Chan-wook's No Other Choice , which opened the Busan International Film Festival on Wednesday, introduces viewers to You Man-su (Lee Byung-hun) and his family -- wife, two kids, two dogs -- as he barbecues in his backyard and reflects on a sense of fulfillment after 25 years of hard work at a paper company. With the first falling blossoms of autumn sprinkling down on him, he pauses to marvel: "I've got it all." Spoiler alert: Man-su does not, in fact,