Isabel tries to prove that she can look after three baby jaquins all by herself but when they get loose, she must find them before their parents return!
Elena puts Armando in charge of the All Kingdoms Fair and helps him regain his confidence after a visit from his older brother makes him feel insecure in his abilities.
Elena reconnects with her cousin Duke Cristóbal, who has been keeping watch over the city of Nueva Vista; while there, she befriends a group of mermaid-like sea creatures called sirenas and enlists their help to defeat the evil sorceress Shuriki.
Elena attempts to get a Unity Pact signed between the humans and the sirenas. Daria, the reef commander, enlists the help of evil shape shifting dolphins called malandros to prove to the sirenas that the humans still don't trust them.
After being invited to attend his first Royal Retreat, the Sirena prince Marzel tries hard to impress and accidentally turns the visiting kings into Sirenas!
