Until he was ten, Greg, son of seafarers, had never seen the sea, and was brought up in Dakota. So when the summons came to join his captain father for a voyage to Greenland, he felt like disobeying. But he went -- and learned that he too had salt water in his veins. He had plenty of hard knocks in the process, ice patrol held unexpected misadventures for him, Greenland brought new experiences and new friends, and he came through.