A teenage girl is captured by a giant mutated squid-like creature that appears from Seoul's Han River after toxic waste was dumped in it, prompting her family into a frantic search for her.
A terminally ill woman opts for a cloning procedure to ease her loss on her friends and family. When she makes a miraculous recovery, her attempts to have her clone decommissioned fail and lead to a court-mandated duel to the death.
When 17-year-old Makoto Konno gains the ability to 'leap' backwards through time, she immediately sets about improving her grades and preventing personal mishaps. However, she soon realises that changing the past isn't as simple as it seems, and eventually, will have to rely on her new powers to shape the future of herself and her friends.
A lonely dog's friendship with his robot companion takes a sad turn when an unexpected malfunction forces him to abandon Robot at the beach. Will Dog ever meet Robot again?