She came from Jamaica at age 8. She never wanted to go to school, fell into street life, and by age 11 was in foster care. By 16 she was a mother. But Sasha Johnson's story didn't end there — it transformed.

Her white British foster mother pushed her toward Oxford University, where she learned about the Black Panthers and racial inequality. She became an activist. She became a voice. She became a target.

On the night of the shooting in Peckham, questions arose that have never been fully answered. Foster Cell is the dramatised account of what happened, who was responsible, and the extraordinary science born from the aftermath of tragedy.

From the pain of watching his foster sister shot in the head, ADAM — a young scientist — channelled his grief into something the world had never seen: a microscopic bio-engineered cell capable of preventing violent crime before it happens.