Hoffmann struggles to hang on as his chance to escape heads toward US shores. Margot pushes on with her plans.

When Johannes' plan emerges, Gluck knows only one man is capable of stopping him. Margot needs help to get the Goldblatts out.

Tensions build beneath the ocean as Wrangel continues his pursuit of U-822. In New York, Sam takes drastic measures.

An attempt to get his crew on side has serious consequences for Johannes. Margot finds a vital ally as Forster reaches St. Remy.