When Dr. Nick Gardiner goes on the run from a psychotic ex and ends up at Olympic Cove, the last thing he expects to find is his friend Ian living with two redheaded demigods and learning how to be a storm god. Adding to the confusion is a wounded merman named Aidan who washes up in the cove, requiring Nick's professional help. As it turns out, the handsome mer and his partner Liam have other plans for the ER doctor—to claim him as their destined mate and fulfill his need to submit.A chance encounter at a local junk shop reveals that Nick has his own role to play in Ian's battle against the insane Nereid Thetis. Under the reluctant mentorship of Chiron, Nick must master the use of the Rod of Asclepius if he wants to rescue his mates from a deadly fate and help Ian save the planet.