Upon arriving to the camp, Beth turns herself into a gigantic monster in the same form as Summer to comfort her.Tricia is emotionally touched and goes home to see her own mother.
Morty refuses to allow Ethan to go after her, and instead reminds him of how much he hurt Summer.
The episode's post-credit sequence revealed that Morty had grossly disfigured him as revenge for dumping Summer.
In "The Whirly Dirly Conspiracy", he is later grossly disfigured by Morty.
After this, his forehead was drastically inflated, reshaping his head.
During this time, Summer reveals Ethan can play guitar as the two learn the 'Seven Contemplations of the Head' by singing them.