'The AI declares Greyson is going to die and he must train his replacement.
'Captain Greyson Durant has been in the job for three months, the youngest captain to ever lead the Endurance, when he is assigned to mentor the even younger Emmaline Victore, who resents the disruption to her life and Grey, too…but the longevity of the Endurance depends on them finding a way to work together.'
Source: Publisher's blurb.