Agency 51, an intergovernmental organisation classified as a defence secret, requires your services to save humanity from an imminent threat.
An encrypted message intercepted from space indicates that an extraterrestrial invasion is being prepared with the ultimate goal of exterminating humanity.
Long ago, aliens came to Earth to hide stones of power that would enable them, in due course, to accomplish their dark purpose.
Agency 51's research team found a way to stop the threat by turning the power of these stones against them.
A top-secret mission was launched to recover the stones but the field agent has just been captured.
Your special remote intervention team then immediately integrates the mission...