After being caught up in a series of uncanny events, four ordinary New Englanders begin to realise an extraordinary and terrible truth: the everyday world which everyone takes for granted is just a small island of stability poking out of unspeakable depths. While most people remain almost wilfully oblivious, it's not possible to unsee the immanent danger and mystery having apprehended it once.
- What lives amidst the sunken ruins of cyclopean infrastructure, just offshore from mundanity?
- What wonders and horrors wash up according to the whims of otherworldly tides and storms?
- What other lands are out there, beyond the Osculum where the Ouranoi meet Bythos?