DougisanawkwardFloridadrugaddict.Divorcedandalone,hesharescustodyofhisyoungdaughterwithhisex.Doug'sreelingfromlosinghisjobatalocalstripclub,wherehetakescareofthefishintheaquarium.Thingsarebeyondbleak-soDougzipshisboatoutintotheGulftoendthepainofhisreality.Butathislowestpoint,hediscoversaninjuredMermaidcreatureclingingtolife.ForDoug,it'sasignfromtheUniverse-sohebringsherhome,giveshershelterinhistubandbeginstonurseherbacktohealth.HeevennamesherDestiny.Astheirrapportblossoms,wordofhissecretgetsoutandheisforcedtoprotecthisnewfriendbyanymeansnecessary.