Metal Gear Solid V: Ground Zeroes is a prologue to Metal Gear Solid V: The Phantom Pain and serves as a linking thread to the events of previous entries in the series.
The game's action takes place one year after the events of Metal Gear Solid: Peace Walker. You will once again assume the role of the legendary Snake, also known by the alias Big Boss.
Objective: infiltrate the Omega base where Chico and Paz are being held captive. The captives possess important information about Snake himself and his private military organization. The legendary agent Snake and his ally Kaz Miller must prevent this information from being made public at all costs. The rescue of the prisoners in Ground Zeroes will lead to the events that begin the story of The Phantom Pain.