A group of five high schoolers embark on a shadowy and twisted journey to investigate the tragic passing three decades earlier of a teen named Harold Biddle – while also unearthing dark secrets from their parents' past.
Roman teenager, Atti is forced to join the Roman army when one of his clever schemes falls foul of Emperor Nero. He is sent to "miserable, cold, wet Britain" where "the natives are revolting - quite literally". Things go from bad to worse when Atti is captured by Orla, a feisty teenage Celt desperate to prove herself as a warrior.
When twins Devin and Cece are sent to spend a summer in Gravesend, Brooklyn with their divorced dad, scientist Anthony Brewer, they must band together with new friends to save the neighborhood from a long-dormant threat.
