In this town, the coves are bottomless and the pier has no end in sight. There's a high tide and a low tide... and a vanishing tide. Dogs are a myth, but mermaids are totally real. And seaweed is the main ingredient in every meal - watch out though, it might just start chewing you back! New kid Davy definitely thinks Topsea is strange. His mom keeps saying they'll get used to life in their new town - it's just the way things are on the coast! But after his first day at Topsea School, Davy finds himself wondering more and more the way things are at Topsea...