Discontent is rapidly mounting aboard James's clipper The Star of Bethlehem. Led by sailmaker Jessop, the crew plan a seamen's strike on their return to Liver-pool.

Anne is increasingly torn between loyalty to her husband and her principles.

What is the mystery surrounding the voyage of the Samantha? In Ireland, a woman asks James to get her damaged ship, the Samantha, with its cargo of guano, home to Liverpool. James is convinced there is something suspicious.