Diego and Sylvia create a new firearm together, and Sylvia talks with him about Morbash. Río wants Diego to choose his own happiness. A secret is finally brought to light, and the D'artagnans set off for Ostium. Sylvia delivers the tea about Apollo and a cat named Ugly.

Diego isn't quite himself and it's Athena's turn to help. Later, they both return to Sylvia's home and find out what Morbash was up to. Diego seeks to thwart his plans. Río and Tosh have perhaps their very first heart to heart. Athena grills Río about the masquerade. Diego checks in on Sylvia.

Athena and Tosh lay Pan's father to rest. Diego and Athena have a heart to heart. The D'artagnans make it to Jager and Diego checks in on an old flame. Sylvia is well-guarded, and also very busy working on something. The group convenes at a tavern and run into some familiar rivals.

Pan flashes back to his painful past as the D'artagnan's combat ensues.

The D'artagnans split up to better protect Pan. Pan opens up more about his past. Combat begins.

The D'artagnans stock up before beginning their journey to Jager. They meet a mysterious hunter in the woods. Pan may be in danger.

Stakes are high as things wind down in the Tenebris Forest. Athena and Tosh have a heart-to-heart about the right way to approach Hesto. Río receives a letter from Apollo. Tosh and Athena speak to Hesto at the celebration, while Diego assists Río in freeing Pan and a new friend from the zoo. The General attends the celebration, and Tosh facilitates a reconciliation between him and Hesto. Feeling more like herself than she has in a long time, Río performs at the celebration. The D'artagnans discuss their next moves.

The battle with Harlere rages on as he continues to attempt to manipulate Río into giving him the name. Tosh and Diego are left to fend for themselves in a pocket dimension. Río surprises herself with an attunement she didn't previously think possible. Athena checks in with Hesto and the group needs to rest before attending the evening's celebration. Río doesn't feel like partying, but she does check in on Pan. Athena retrieves a letter from her owl before having a heart-to-heart with Ríona. Río is coming to terms with every part of herself.

Diego and Tosh bicker about taking action. Ever the strategist, Diego speaks to the general about the military might of the Tenebris. Athena activates the gem of brightness to summon the rest of the D’artagnans to back her up against the threat of Harlere. The D’artagnans work together to try and stop Harlere, but the dragon makes a compelling case to Río, which gives her pause.

The D'artagnans are faced with a moral dilemma and try to come to the best conclusion. They parlay with the previous general of the Tenebris and discuss their options at length. While the rest of the group reaches an accord, Athena hesitates. She communes with Archimedes for guidance. Río and Athena have very different points of view. Athena goes back to Hesto alone.