The stress of the crash and a confrontation with Buck over his "little black book"—which lists everyone Bobby lost in a past tragedy—pushes him over the edge. He breaks his 18-month sobriety and is later found by Buck and Hen in a state of overdose at his home.
Athena deals with the aftermath of her daughter May’s suicide attempt (due to bullying) by confronting the bully's parents. [S1E4] Worst Day Ever
Bobby Nash and his firefighting crew (Buck and Hen) race to the site to save survivors from the sinking fuselage. The stress of the crash and a confrontation