Dan and Jon are two fathers whose very different lives collide when Dan's teenage son tragically dies under the care of trauma consultant Jon in a Central London hospital. Devastated and heartbroken, Dan, a working class father struggling to make ends meet, believes Jon is responsible for his son's death and, as he strives for justice, Dan begins to unpick the fabric of Jon's distinctly contrasting life as a high-achieving surgeon with a beautiful home and family.