Casper Christensen skal ud i sit livs kamp mod Melvin - og sin svigermor. Benjamin Hav har en god idé. Og så er der verdenspremiere på Melvins helt egen sang.
Casper Christensen must go into the fight of his life against Melvin - and his mother-in-law. Benjamin Hav has a good idea. And then there is the world premiere of Melvin's very own song.
