Most of the D'artagnans are reunited and working together to bring down the reanimated, undead white dragon before it terrorizes the city a second time. Tosh and Athena are afraid of Ríona. Help at the 11th hour comes in an unexpected way. Río invokes the name of the dragon devil.

Tosh seeks to secure sanctuary for his people, entrusting them to Cimeon before leaving to Glacium. Athena fights against her instinct to protect Lancelot and doesn't allow his sacrifice to be in vain. Diego has a vision and hears a knock on the door. Río escapes "quarantine" to take matters of the dragon blight into her own hands, but some unexpected and violent newcomers put a stop to that.

Time is running out for all four D'artagnans. Río has to deal with fallout from the dragon blight at the most inopportune time. Tosh tries to gain a foothold as Mal Magnotos' leader but an unexpected coup throws everything off. Athena continues her training with Lancelot and learns more than she bargained for about what happened to her real family. Diego manages to communicate a single word.

With the help of his friends, Diego embarks on the last leg of his journey where heavy and unintended consequences are laid bare.

The group braves the Steam Shores next. Kava has a distinct memory of Morbash. Dax provokes a hydra and combat ensues. Diego evokes the memory of a friend to share inspiration.

The group comes up with a plan for navigating the Phanto Riff, and then play a friendly game of poker. Diego challenges Kava to a fishing competition with Destiny on the line. Diego fesses up to what the real purpose of their mission is. Kava has a ghostly encounter in the Doldrums.

Diego and his companions fight off a group of ruffians in order to abscond with a ship. Dax takes one for the team. Kava has a date with destiny. Diego guides everyone to the Fanto Rift.

Diego reconnects with his past in the Dopplar's and recruits some shady characters to help him steal a ship.

Tosh rallies the people of Mal Magnotos to his side, but Ara has some strong words for him. Athena learns more about the scabbard and Lancelot tries to teach her not to rely on it. Diego converses with a now-conscious Lucius and checks in with Gregori.

Tosh confronts Rober and is challenged to a duel. Gregori reveals Diego's lineage. Through Lancelot, Athena receives a vision of Galahad. Felix introduces Ríona to a prisoner who has quite a story to tell. Tosh experiences many flashbacks in connection to Cruentus, and ultimately must make a significant choice.