When Stella gets the sudden idea to go caroling, she has a little trouble getting someone to join her. Her brother, Frank, is not good at spontaneity. The Watsons are very involved in a precarious fruitcake attempt (but happy to send their pig, Mercy, out for the occasion). Eugenia Lincoln declines, a bit rudely, to accompany on her accordion, and Horace Broom is too busy studying planetary movement. Will Stella need to sing by herself--with enthusiastic...

"Stella Endicott loves her teacher, Miss Liliana, and she is thrilled when the class is assigned to write a poem. Stella crafts a beautiful poem about Mercy Watson, the pig who lives next door -- a poem complete with a metaphor and full of curiosity and courage. But Horace Broom, Stella's irritating classmate, insists that Stella's poem is full of lies and that pigs do not live in houses. And when Stella and Horace get into a shouting match in the...

Mr. and Mrs. Watson think it is a wonderful idea to bring their pet pig Mercy to the drive-in, and when Mercy arrives, she sets off on a mission to find her own buttery bucket of popcorn, much to the dismay of the other movie patrons.