Melisande Ray loves the Thames. After all, her beloved hotel, the Ray of Sunshine, overlooks its banks. But when the wealthy leisure mogul Wendell James sets up a rival business nearby, he threatens to destroy all that she holds sacred. Meanwhile, Gisela Ashley rents a narrow-boat with no idea that she will fall in love with an ex-soldier named Keefe Ashleigh. Will he uncover her terrible secret? Both women find themselves river-deep in trouble. The question is: what will it take to get them out?