After Amalia's (Laura Donnelly) origin story is revealed, a long-awaited reunion crystallizes the Orphans' mission.

Cast: Laura Donnelly, Ann Skelly, Olivia Williams, James Norton, Tom Riley, Pip Torrens, Denis O'Hare, Rochelle Neil, Amy Manson, Zackary Momoh, Nick Frost, Vinnie Heaven, Claudia Black, Domenique Fragale, Pui Fan Lee