Young sales executive Kawamura leads a picture-perfect life. He’s handsome, well-liked, has a great job that he excels at, and is about to marry the CEO’s daughter. On his way home from a surprise party the night before his wedding, bizarre happenstance lands him in a desolate manhole amidst a driving downpour, with no easy way out. This being 2023, he is armed with a trusty cell phone, but who will answer his calls for help and how will he ever get out of this dire situation in time for the big day? As this fantastical edge-of-your-seat thriller unfolds, all is not as it seems, revealing a sinister, twisted tale of betrayal, and revenge most foul.