The day after Catherine got back, Ethel texted her that there was a new military instructor.

They replaced Hunter and the other three instructors involved in the fight. Ethel was excited to tell Catherine the new instructor was much handsome and forgiving. They weren't terrified of military training. Instead, they were eager to do it.

Catherine connected the dots. The day before, Sean got into the fight, and the instructors were replaced. It must be Sean who pulled strings. If the mayor's son ...