Marguerite sees smoke at Sargent's Point when she goes to sit before the window after being criticized for her dance. Who does she tell? What do they do?

Marguerite sees a column of smoke from Sargent's Point, even though the farm is abandoned. Marguerite tells Caleb and he tells the adults. Ethan Jordan, Caleb Sargent, Joel Sargent, Ira Sargent, and Timothy Welles decide to go back to the farm to see what is going on.