Hampered by damage, Sig must outmaneuver an unknown captain to hold onto his ground. Jake allies with Wild Bill to make a critical deadline -- but when Bill calls in his own favor, time runs short. Rick devises a strategy to ensure Jacob makes it home.

In the Season 19 finale, an uncharacteristic error traps Sig's family in unsurvivable seas. A wayward crane breaches Jake's wheelhouse, killing critical systems and his way home. Rick attempts to turn a heart-wrenching tragedy into a triumph for Jacob.