When fluffy, bubble gum movie star Megan Valentine suddenly finds herself broke and humiliated in the public eye, she wanders from the wreckage of a car accident and witlessly enlists in the U.S. Army hoping in vain that it will change her life.

In the country nearby London, Don, his wife Alice and a few survivors live hidden in a farmhouse. When infected people break in the house, Don panics and does not help his wife to escape, running away and leaving Alice trapped inside the room. Twenty eight weeks after the outbreak that annihilated the population of Great Britain, London is considered safe and the British survivors return under the coordination of the American Army, that keeps the city under permanent surveillance. The teenager...