The cover note for the script of Oladipo Agboluaje's Immune describes it as "a challenging science fiction play with a large cast", and the word challenging in this case is not a lie. This is a fast paced, multi-cast changing script which leaves little room for error for its young cast in the performance. If the script isn't enough to handle for the young performers, director Christopher Elmer-Gorry and designer Carl Davies have made the situation even more complex for the actors with the set and stage work. Having to manhandle great panels on wheels and a huge cube, which also splits in two occasionally, during scene changes requires skill, coordination and cooperation of a high level. As if all this is not enough, the actual story is epic enough for the relatively small stage of the Royal. Attempting to form an apocalyptic world (albeit only happening in Plymouth) offers challenges in itself, but Agboluaje's script does that in a sort of apocalypse in the teac...