The year is 1965. Aboard the Kingston Jet docked in Hull, England, a new teenage sailor Daz receives shocking information about his lineage from a legendary deckhand. Flash forward to 1972. A violent storm off the Icelandic coast thrashes the James Joyce and its crew of merchant fishermen, including Daz, with fatal consequences. Flash forward again to 2002. Daz is now 54, a father, and the curator of the Arctic Kestrel museum ship. A mysterious stranger unexpectedly enters after hours, making furious accusations and playing a dangerous game. Connecting three riveting snapshots of time with stunning twists, Under the Whaleback depicts one of the most dangerous occupations in the world with maritime theatricality, larger-than-life heroics, and unrestrained dark comedy.