Marceline remembers their past, she wants so badly to continue what was started but will PB ever be able to forgive Marceline for leaving? It's more than just stupid fighting.

Marceline is caught cheating with her off and on girlfriend ash. Bubbline is devastated and thinks she will never love her again, but the future holds very different plans for the two.

Marceline and Princess Bubblegum, two best friends, have become very close lately. Spending every second of the day together, they both decide to go to a sleepover. What happens when everyone else falls asleep? Soon they slowly drift apart, and they can't stand it. What will happen???