It is wrong to start fires in a park.
Marcy and her friends brought wood, a lighter, and s'mores ingredients to the picnic they are at.
Marcy wants to eat the s'mores at the picnic soon.
Marcy decides not to set up a fire and instead prepare the s'mores without roasting them, and then eats.
Marcy sets up the wood and lights a bonfire at the park to eat the s'mores.
Marcy's and her friends are able to enjoy the meal in peace and quiet.
Marcy gets in trouble for lighting a bonfire at the park and her friends feel bad.