The show is about a failing school basketball team and the arrival of tall, gaffe-prone but unstoppable Aoife O'Neill. It's a show about determination, finding your tribe, and being true to yourself. Following Aoife and her family as they move to a new area and a new school. She sees this as an opportunity to change her life. Aoife soon discovers that the only place she really fits in is the school basketball team - only they're terrible. Can she turn them around?
Aoife's delight at being the Vipers' captain is short-lived when Holt replaces her with Jessica. Aoife has to fight to reclaim her position - but at what cost to the Vipers?
When Aoife feigns an injury to meet boxer Nicola Adams, Holt rushes her to hospital - but how far will she take the lie? Meanwhile, Charlotte helps Clanger to woo Jessica.
When the Vipers arrive at the wrong venue for a match, they are forced to take part in an athletics meet. Can Aoife appease Holt and win the school a trophy?
Jim is organising History Week, and everyone has a role in the historical re-enactment. Jessica is Queen Elizabeth, while Aoife plays Mary Queen of Scots - but who will win the war?
When Aoife needs a cheerleading teacher to impress her auntie Fidelma, she finds help from an unlikely source - but can she keep up the act?
Aoife's plan to keep Zara at Midvale backfires, leading her to be mistaken for a genius while Zara plays dumb. Can she outsmart her own scheme and get the old Zara back?
The Vipers face a crisis of confidence, but Aoife's attempts to help them go too far - can they stop her from total humiliation at the school's talent competition?
Aoife's attempts to avoid the school photo end up with an accidental trip to the other side of town. Can she get back to Midvale in time to stop Jim making a big proposal?
Aoife's prank causes the school to be invaded by an archaeological tea, led by the eccentric Dr Ford. Can she dig the Vipers out before the big game?
Aoife learns that Holt holds the key to the Vipers' very survival. She tries to save their future by organising the school dance, but will one shocking twist ruin everything?
