Animal rights activists infiltrate a lab, releasing monkeys despite warnings of a contagious virus. The virus spreads rapidly across Britain, infecting many. Jim, in a coma since a bike accident, awakens to find London deserted. He joins other survivors, seeking help from the British military in Manchester, but is unaware of the dangers ahead.

28 Days Later
In a desperate quest for safety and solace, a group of survivors must navigate the treacherous landscape of a virus-ravaged UK, fighting to find a haven from the devastating consequences of the mysterious outbreak.