Cleo meets Ryan, a geophysicist working for her stepmother Samantha, and asks him to take a look at the Mako crystal. Rikki is not happy that Cleo is seeking outside help, causing cracks on the girls' relationship. So Rikki starts spending all her time in the Moon Pool and discovers that her powers have strengthened after encountering the water tentacle. Finally Will confesses to Bella and Cleo what really happened at the Moon Pool, despite promising Rikki not tell the others.

Source: TeenNick