Please answer the following question: Build a movie plot around this: When did Tom's engagement end? It does not state when the engagement ends.
A:
Tom Sawyer and his half-brother Sid are on their way to school when they see Huckleberry Finn fishing. Tom skips school to join Huck, but changes his mind after he sees Becky Thatcher. He tries to sneak into class, but Sid snitches on him to the teacher, Mr. Dobbins. Tom is made to sit with the girls, which he actually likes since he's able to sit next to Becky. He is also sat beside Amy Lawrence, a friend to whom he became "engaged". She still has romantic feelings for him but he is too transfixed by Becky to notice. Tom's pet frog Rebel then disrupts the class, meaning they are given early dismissal.On the way home from school, during the musical number "Hook, Line and Sinker", Tom tries multiple times to steal a kiss from Becky, but is thwarted each time by her father, Judge Thatcher. The next day, as Tom is about to go fishing with his friends, Aunt Polly makes him paint the house as punishment for what happened at school. Tom, however, gets his friends to paint the house for him instead.That night, when Tom and Huck go treasure hunting, they find Injurin' Joe and his friend Mutt Potter uncovering a chest of gold. Deputy Bean, who is visiting his wife's grave, discovers Joe and Mutt. As the boys watch from behind a tombstone, Joe brutally murders Bean who tried to hit him with a shovel, frames Mutt and captures Rebel. Tom knows that Joe can track him down through Rebel, so he and Huck make a pact never to tell anyone what they have seen.The next day, at school Becky accidentally spills ink on test results.Amy is so happy because she wants to cheat Becky, but Tom takes the blame, for which he receives a thrashing with a ruler by Mr. Dobbins.Amy were so angry because Tom saved Beck. After school, Tom becomes "engaged" to Becky, before a musical number by Becky and Amy, "One Dream", where the two individually express their shared love for Tom. He then admits he did the same with Amy, causing Becky to call off the engagement. Tom and Huck visit Mutt, who is on death row. They try to get him to remember...