Welkin and Squad 7 pay their respects to Isara at her funeral. For her role in the Mulberry Coast victory, the Gallian military posthumously awards her the rank of Master Sergeant. Welkin orders Squad 7 to quickly move on and focus on dealing with the Imperials despite their grief which Ramal accuses Welkin of not caring about his sister's death. Rosie suffers from Survivor guilt in not being able to save Isara. General Damon demands Welkin give him the details on making the smoke shells in three days or be punished. Alicia later discovers that the rest of Squad 7, angered at Damon's actions, plan to ambush him with a hidden hole on the ground to trap him. However, Faldio manages to convince them otherwise, saying that the best way to humiliate people like Damon is keep winning battles and save Gallia. Faldio confronts Welkin about his refusal to deal with the death of Isara and Alicia's feelings, prompting Faldio to punch him.
When Imperial forces attack the small border town of Bruhl, Welkin Gunther, son of late General Belgen Gunther, is forced to fight for his life alongside Town Watch captain Alicia Melchiott. Along with Welkin's adopted sister Isara, the three escape to Gallia's capitol and subsequently join the country's militia forces. As members of the newly-formed Squad 7, they must work to repel the invading Imperial forces and discover the true purpose of the invasion itself.
