This was a classic Mad Men episode - no big explosions but brilliant acting and great character development;
1. Pete loses his father and realises that he is emotionally shallow as he does not know how to react;
2. Duck's greed comes to the fore as he attempts to use Pete's grief as a pawn to win a client;
3. Draper stands up for Mohawk but puts his job first and eventually fires them as a client- he does feel huge guilt over this decision as he truly believed that he would make Mohawk special.
4. Peggy's torment over the loss of her child comes to the surface albeit briefly - as common in Catholic families, the child is being raised as a sibling of her nieces and nephews. Peggy has stopped going to Mass as she realises that having to abandon her child is "wrong". She eventually caves in and goes as the pressure from her family pushes the catholic guilt buttons.
5. Joan's casual racism is shocking and is a stark reminder of what was acceptable only a few years ago.
This show does not need violence or explosions or special effects as witnessing harrowing emotionally bereft characters is enough. Great episode of the best show on tv.