Big Boys Don't Cry

 was the tenth episode of Series 5 and the 62nd episode overall.

Plot
Paramedics Josh and Lily find an old man already dead and his crazed son menacing them with a butcher's knife. Later he threatens Jimmy in the same way before being arrested. The team battle to save Miles, a schoolboy who tried to hang himself at school after being bullied. Beth argues and proves to the paediatrician that a bruised baby is not being abused but has brittle bones.