This is a song variation I wrote a while back basically full of theories of backstories involving each of the penguins. If 你 know the song "Runaway Love" 由 Ludacris, you'd know this variation has one 更多 verse than the original.
Basically, after a battle against Blowhole, one character is a ghost without knowing yet until they see their body. That character reveals a secret they've kept from the team for so long.