superior Alain Magnan discover a stone library telling of the Lake of the Moon; the Fountain of Youth, a rumored source of eternal life; and a secret society called the Circle of Ossus, who seek the Fountain for their own gain. Alain orders Morgan to sail to the New World to search for the Lake, but Morgan is attacked by the pirate Elisabeth "Lizzie" Ramsey and lands in the Caribbean islands. Morgan and his men defeat Lizzie and sail to New Spain. There, Spanish conquistador Francisco Juan Delgado de Leon captures Sahin. Morgan defends his new Aztec allies from the Spanish and learns Delgado was looking for the map to the Lake of the Moon. Morgan sets sail for Florida, but his fleet is damaged by a hurricane and docks in Havana, Cuba, where he earns Lizzie's respect and promises her the gold from the Spanish treasure fleet if she takes him to Florida. In Florida, while Alain claims the lake, Morgan and Lizzie capture Spanish treasure ships and Sahin, killing Delgado in the process. Sahin tells Morgan that he only wanted to keep the Circle from claiming the Fountain. Alain orders Morgan to execute Sahin, but Sahin and Lizzie convince Morgan that Alain actually leads the Circle of Ossus. At the Lake of the Moon, the group captures defeats Alain and destroys the Fountain. Sahin returns to Turkey, and Lizzie, having lost her Spanish gold, leaves for the Caribbean, although it is hinted she and Morgan will reunite. Morgan wonders whether they really found the Fountain of Youth, then refills his empty canteen with water from the lake. Act II: Ice In the mid-eighteenth century, Morgan's grandson, John Black, his Mohawk friend Kanyenke, and their mercenaries are summoned by John's uncle, Stuart Black, to defend the colony of Brunswick against Cherokee raiders. After saving the colony, John and Kanyenke attack the Cherokee war camps, forcing the Cherokee to arrange a truce. While John, Kanyenke, and most of the colony's garrison are negotiating, British General Warwick leads an army to attack them and capture Brunswick. John and Kanyenke return to liberate Brunswick but learn Warwick has abducted Stuart. John concludes that the Circle of Ossus has returned. Kanyenke believes that his sister, Nonahkee, could be in danger, so they leave for New England. They find Warwick attacking Nonahkee's village, hoping to extract John's location from her. After the ensuing battle,