Five girls, three moon pools, one big secret. Ellie, Lucy, Amy, Callie and Jay are thrust into the world of mermaids. The five of them could not be more different, but to deal with this together, an unlikely friendship will form. Especially when they come to realize there are more than just magical moon pools at play. Crossposted from AO3

What happens when Kim tries to figure out what her big sister Cleo is up to and she finds more than she bargained for. Think of this as replacing the S01 story line where Kim reads Cleo's diary and gets suspicious. The rest of the story would diverge from there.