When rugby star Jesse Brannon buys the house of his dreams in the small coastal town he grew up in, the sea calls to him. While diving through the reefs and kelp forest of the private bay, he comes across something unexpected -- an injured merman. His late mother always told him there were mermaids in the water, but Jesse never thought she really meant it. As Jesse does his best to help the lonely, injured merman recover, he finds himself falling in love. The two of them grow closer, learn how to communicate, and overcome their differences in anatomy, but the impossibility of a future together starts to weigh on Jesse. Time is running out and Jesse will have to leave the house by the bay as soon as the new season starts. Will his new mate understand and wait for him, or will he lose him forever?