The story of boys who are scattered in the past, present, and future to find the star of hope in order to save the Earth which is devastated by a virus spread by a group of evil.
Bohol Island, Philippines, captivates tourists and divers worldwide with its beautiful scenery and deep-sea mystery. One day, friends who knew in Seoul visit a man who works as a freediving instructor in Bohol.
Yong-soon is an 18-year-old high school student. She falls in love with her gym teacher, but she thinks her teacher might have a girlfriend. Yong-Soon and her friends try to find out whether he does have a girlfriend, but they can't find any clues. Making things worse, her father brings a new stepmother from Mongolia.
Gong Pil-du is a detective recruited for his athletic skills and achievement, a bronze Universiade medalist in wrestling. Since then, however, he has had little success in his career, and remains a 40-year old bachelor with a terrible credit record. His greatest crisis comes when his beloved father needs money for crucial surgery. To get the money, Gong makes a deal with a vicious crime boss. This makes him more miserable than ever, as he is now suspected as a corrupt cop. Gong goes on a quest to prove his innocence. Will he be successful for once in his life?
Adolescence is one long, drawn-out nightmare for Byeong-tae. Quiet and introverted, he makes a perfect target for his school’s vicious bullies, all the more so when they catch on that his father is a policeman. Badly beaten up on a regular basis, Byeong-tae seeks a capable teacher in matters of physical combat. His quest remains a dead end until the day the mysterious Oh drifts into town. Little is known about Oh other than that he has a shady past and seeks to leave Korea as soon as he can. That, and the fact that when push comes to shove, Oh’s placid and distant front dissolves and his true nature as a fighter of unmatched skill and effectiveness comes ferociously forward. Initially, Oh rebuffs Byeog-tae’s pleading for lessons, telling him that it’s best not to fight at all.
Agent Lam (Tony Leung) sets out to track a pair of plates used to make fake American dollars. When he discovers the plates, they are conned out of him by enigmatic US Embassy workers Owen (Richie Ren) and JJ (Shu Qi). With the trail now leading to Korea, Lam sets off in hot pursuit. There, amidst the dangerous and glamorous urban landscape of Seoul, Lam finds himself confronting an underworld crime boss known as the Polar Bear, head of the biggest counterfeiting organisation in Asia.
