Having recently lost his mum to cancer, when eight-year-old Tom comes to live with Maggie, he is scared and alone. Tom has been taken into care following concerns from his teachers about his dad Mark's ability to cope as a single parent, following the death of his wife. As a former soldier, Mark has resorted to his military training in order to cope with his young son, forcing him to scrub the floors until his hands bleed and perform repeated push-ups...