Impossible Railways (2018)

S1E27 The Ties That Bind

As Julie and Caleb make their way down the aisle, Ryan and Theresa grapple with a tough choice about their pregnancy. Meanwhile, Marissa settles into Caleb and Julie's newly acquired castle perched on the cliff. Seth finds it challenging to navigate his identity as everything around him begins to unravel. The events in The O.C. echo back to a year prior, creating a sense of closure and continuity.