After Barney and Robin sleep together, they plan on breaking up with their current partners and getting back together. Ted and Marshall go to a concert and search for some nachos for Lily.
This episode provides examples of:
- Dumpster Dive: Where Ted actually got the nachos.
- Extremely Short T Imespan: Marshall and Ted thought that it took them hours to grab some nachos for Lily. In actuality, they just left for two minutes after "eating a sandwich" and hijinks ensued.
- Yank the Dog's Chain: Barney goes through hell and ruins a good relationship with Nora to get one last chance at Robin. She rejects him, leaving him alone and heartbroken.
- What the Hell, Hero?: Robin decides not to tell Kevin that she cheated on him.