It's teachers v students week - can the Vipers help win the cup, become school heroes, and impress Aoife's new crush, Jamie?

It's the inter-school tournament, and the Vipers might just win. Jessica is determined to spoil everything, and Aoife must use all her detective powers to keep the team together.

Aoife and Clanger run head-to-head for school president. When power-mad Clanger's supporters fall for his free donuts, begging Jessica for help might be Aoife's only hope.