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.
An aging Chinese immigrant is swept up in an insane adventure, where she alone can save what's important to her by connecting with the lives she could have led in other universes.
Dangerously ill with a rare blood disorder, and determined to save others suffering his same fate, Dr. Michael Morbius attempts a desperate gamble. What at first appears to be a radical success soon reveals itself to be a remedy potentially worse than the disease.