A group of seemingly ordinary black people from South London, unified by a family history of sickle cell disease, unexpectedly develop superpowers. They discover each other, and fend off entrapment by a secret organisation seeking to control them. Tosin Cole, Adelayo Adedayo, Nadine Mills, Eric Kofi-Abrefa, Calvin Demba, Josh Tedeku, Rayxia Ojo and Giacomo Mancini all star in the series.
A group of seemingly ordinary black people from South London, unified by a family history of sickle cell disease, develop superpowers. They discover each other, and fend off entrapment by a secret organisation seeking to control them.