After a tragic fishing accident, Jackson and Allyson are left to raise their teenage sister Sydney. Allyson then falls in love with Bradly, a single father of a young daughter named Emmalynn. Allyson and Bradly get married and all move in together. They then welcome their twins, Kaiden and Sophie, into the world. What will happen next for this family? #mermaids #twins #blendedfamily