The challenge is roughly interrupted by men working for "The Boss", a building profiteer that wants to demolish Luna Park so he can replace it with a skyscraper, who proceed to tear up the beerhouse and threaten the customers.

Feeling that he didn't get their point, Kid moves on to persuade the Boss to give them the dune buggy, with Ben reluctantly tagging along, partially due to him wanting to study his part for the choir.

The first attempt ends with an all-out brawl in the fairgrounds' gym, where the two beat up Attila and his henchmen, which in turn infuriates the Boss enough to send a motorcycle gang after them.

After a chase scene through a nearby forest area and the motorcycle gang being disposed of, the Doctor persuades the Boss to send Paganini, a highly skilled assassin from the Chicago Underworld, after them.

This culminates in a confrontation right in the middle of the repetition of the choir, which eventually results in Ben getting kicked out, despite the assassin himself being caught by Kid and forced at gunpoint to play a violin in the Boss' restaurant.

After Ben sends Kid away from having him kicked out of the choir, he finds Jeremias beaten up and injured in his garage, who mentions he was attacked by the Boss's men.