Dave Collette

The crew reunites with Harper (Gordon Michael Woolvett) when they confront a scientist bent on controlling the system.

Four months later, Emma's still in Seattle, climbing her way to the top of the Pinnacle ladder alongside an old flame rekindled. Jack and Izzy settle into blissful monogamy in their newly finished loft. The upcoming divorce mediation and an uncomfortable reunion hangs over all of them. Carmen and new neighbor Hannah start a lifestyle magazine.

Emma, reeling from a huge mistake, seeks solace in Carmen and finds herself in a "friendship triangle." Izzy tries to focus on completing her doctorate by volunteering at a Homeless Youth Center. Jack decides the time is right for a deeper commitment to their relationship. Nina's first ''thesis date'' takes a bizarre turn

Well, they've broken up and gotten back together. And broken up and gotten back together. But now they've said their final goodbyes. They've made it final: Izzy's leaving and Emma and Jack are staying. The end. Except...

Izzy returns to Portland to find that life continued on without her.