Finn and jake were in the treehouse finn laying on the ground crying about the princess saying shes too old for him.
jake:finn stop crying man
finn:why she turned me down man
all of a sudden the room got caught on fire and a 13 year old girl walked in
finn:who are you
?:i am flame princess
jake:(whispers)finn why are you blushing
but just then the room shoke and a fire man came in daughter come on
flame princess :bye finn
she left with flame king but finn was dazed by her beuty
so jake went to find her for him
i don't own adventure time and don't copy this is just a summery of the episode