Chuck and Sarah contemplate the next step for Carmichael Industries and in the meantime Casey's forbidden love, Gertrude Verbanski, walks back into his life .
Chuck and Sarah attend a Buy More sales convention where they also have to uncover an assassin among the employees, whose mission is to take down the new intersect.
The team takes on a missing persons case and have to establish themselves as Carmichael Industries in the face of a rival security firm led by GertrudeVerbanski.