While resting and relaxing in Greece, the Seekers await further instructions from Guggenheim. They Don't have to wait to long before Guggenheim sends them off on their next mission. They must use the map they recovered from the wreck and go out to sea. To do this they are given one of the most up to date Foundation boats in order to complete their mission. The heroes follow the journey of the Argo, finding it to be as eventful as the original myth.
At the same time, The Professor orders Grier to dispose of DeFoe. Grier is given a troop of Suits and returns to Sutos (which is in a civil war), his home in the in the Aegean. Source: