By definition, Deception de·​cep·​tion di-ˈsep-shən: is the act of causing someone to accept as true or valid what is false or invalid: the act of deceiving
After being harvested from death, the coalition promised the team of the declared an opportunity to receive a new life-giving serum, a share in the fortunes, and be reunited with their loved ones if they successfully completed a nearly impossible mission. However, after spending a year away from Earth, the team came to find they had been deceived.
By definition, Vengeance ven·​geance ˈven-jən(t)s is a punishment inflicted in retaliation for an injury or offense: Retribution.
However it is defined, it takes on a more sinister meaning when it becomes personal. Upon receiving help from an unlikely source, the team of the declared turns toward home to fulfill a solely human desire, the need for vengeance.