Ten years after graduating, the class of 2014 are back at Tisdale Comprehensive for the reunion, packed into a school gym full of familiar faces—and plenty of new secrets. - Shaun and Steph were each other's first love. Now, they're settled and planning the perfect wedding— to other people. Could reconnecting spark a new romance? - Bryony was supposed to travel the world, rule the West End, have a dazzling career as a TV actress... Now, she's a drama teacher who's exaggerated her whole life on Instagram, and is desperate to save face. - Hayden was told he'd achieve great things, like be on the cover of , win a Nobel prize... or, the accolade his daughters just awarded him: World's Best Dad. Is it too late for him to turn things around, and more importantly, does he even want to? - Ashleigh was an A+ student, and Ryan the star of the school rugby team. After years of putting each other down, they left school each convinced they would have the better life. Now, that old rivalry finds them drawn back together in a new, intoxicating way—one they're both determined to hide. With an evening of power cuts, fire alarms, sneaking off to explore classrooms in the dark, stolen kisses and heated fights—it's like they never left at all.