What is the climax in The Lions of the Little Rock?

Marlee’s dad finds out about her hanging out with Liz and tells her to stop, but Marlle keeps meeting Liz. Marlee and Liz can’t meet at the zoo anymore, so they meet at the Rock Crusher. On day, JT and Red follow them out there and Marlee trips on dynamite. Red steals the dynamite and plans to blow up Liz’s house. A couple of days, later Marlee and Liz try to steal the dynamite and Marlee gets locked in the trunk of Red’s car.