A development in medicine causes the advent of a new disease, which quickly spreads worldwide; three groups of people from different backgrounds band together to survive.

Amidst their escape from the infected in the woods and Helen's disappearance, Daniel meets a young man named Matt, a woman, and his injured niece Lisa, compelling them to unite in their quest for survival.

The group loses hope of finding survivors; They must decide whether to risk everything and head to the north bridge as requested by the authorities.

A development in medicine causes the advent of a new disease, which quickly spreads worldwide; three groups of people from different backgrounds band together to survive.

After reuniting with his wife Helen, Daniel witnesses a terrible event; Chris shoots little Andrea.

A development in medicine causes the advent of a new disease, which quickly spreads worldwide; three groups of people from different backgrounds band together to survive.