Readers across the world are in love with author Sally Carmichael's series of romance novels that chronicle the epic love story between a human girl and a merman. But no one knows that Sally Carmichael is really Simon Hayes, a bitter, serious novelist - and Simon would like to keep it that way....
In a post-nuclear, oxygen-ridden future, humble cleaner Juliette has her loyalties tested when she falls for Adam, a captive merman whose gills are mankind's last hope for survival.
A young schoolteacher and her two female friends rent a vacation house on an island. While exploring the island, the teacher runs into a handsome young man who tells her is actually a "merman" from the sea, and tries to convince her to go back to the sea with him.