the hero mode plot is always the same: insert villain here stole the zap fish! the dlc plot is just Marina and Pearl crushing on each other while eight watches from the side.
i will now make a comparison of "Liquid Sunshine" and "Suffer No Fools" using Michael Rosen quotes: Liquid Sunshine: "Hooray, lovely singing and clap our hands" Suffer No Fools: "I could kill you in 5 seconds with me bare hands"