A raging typhoon left your ship crippled and taking on water. You and another crew member named Wanda have set out in a life raft with a makeshift sail in a desperate attempt to get help. Roughly calculating your latitude from the horizon, you reckon the island port of Naruba lies due west. But after a day, the winds change and your sail hangs slack. Do you dare bear a little off course to take advantage of the new winds? Your provisions are short and time is running out for you and your shipmates.