An other-worldly story, set against the backdrop of Cold War era America circa 1962, where a mute janitor working at a lab falls in love with an amphibious man being held captive there and devises a plan to help him escape.

Susan Morrow receives a book manuscript from her ex-husband – a man she left 20 years earlier – asking for her opinion of his writing. As she reads, she is drawn into the fictional life of Tony Hastings, a mathematics professor whose family vacation turns violent.