Athena deals with the aftermath of her daughter May’s suicide attempt (due to bullying) by confronting the bully's parents.
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. [S1E4] Worst Day Ever
Bobby Nash and his firefighting crew (Buck and Hen) race to the site to save survivors from the sinking fuselage. Athena deals with the aftermath of her daughter
Buck disregards Bobby’s direct orders to evacuate, staying behind to save Bobby, who was trapped while trying to rescue a passenger named Tammy. staying behind to save Bobby