After the weirdest subway ride yet, Nadia navigates a puzzling predicament. Meanwhile, Alan desperately tries to find Nadia.

On Nadia's birthday, she and Alan reunite in a familiar place. But they clash over how to handle the future (and the past).

Nadia's 40th birthday is a few days away, and she's planning to celebrate it quietly with Alan. Then something really strange happens.

Nadia tracks down the stolen valuables and formulates a plan to secure her family's future. But she comes to a grim realization.

While hopping around the city searching for missing Krugerrands, Nadia runs into a familiar face who lends her a hand.

Nadia learns an intriguing fact about the family fortune that sends her on a quest for clues — and her situation takes a bizarre new turn.

Alan gets in touch with his roots in Berlin. On a trip to Budapest, Nadia and Maxine wind up at a mind-bending house party.