Gordon and Cameron struggle to make Joe's vision a reality; Joe and Bosworth seek the funds to make the new machine.

Gordon and Donna are keeping secrets from one another. Gordon sets up a new venture.

Joe and Ryan deal with the consequences of Joe's decision. Cameron and Donna fight over the future, while Gordon has a crisis of conscience.

In the series finale, Donna celebrates a milestone with her closest allies. Cameron contemplates saying goodbye as Joe confronts an uncertain future.