Four mermaid sisters, Argel, Armes, Anwen and Una, watch the goings-on of humankind from the safety and security of the waves.
Argel is best friends with Una and their friendship is envied by Armes who would give anything to be their partner in crime. Anwen is the most mysterious of all the sisters and hides the most secrets. Una is the youngest sister, but also the most brave and inquisitive.
One day Una and Argel come ashore and two worlds begin to collide. This sets a series of adventures in motion that change their lives forever. Just like humans, mermaids have to navigate the world and its complex relationships.
Join in their discovery of life on land as they learn to navigate their new world beyond the sea.
