Evan "buck" Buckley

When his mates are called away, a pregnant cat hybrid Eddie Diaz must face a sudden, solitary labor, armed only with preparation and his feline instincts.

When the 126 finally track down Eddie Diaz to confront him about his treatment of Buck, they uncover a terrifying truth about the 118 that will shake both firehouses to their core.

Isolated by the 118 after the lawsuit, Evan "Buck" Buckley's spiral into self-harm after a tragic call forces Eddie Diaz and the rest of the team to confront the devastating consequences of their estrangement before it's too late.

When an intense call leaves Buck reeling, a momentary lapse in judgment puts him in Eddie's crosshairs, blurring the line between frustration and desire, and forcing both men to confront the unsaid tensions threatening to dismantle their bond.

When Buck is seriously injured on the job, Eddie is forced to confront his buried feelings and the terrified realization that he might lose the one person he can't live without. As Buck fights his way back, the undeniable truth of their connection can no longer be ignored.