Rulers plot to kill Jesus, and He knows it.
A woman pours very expensive perfume all over Jesus, and He points it to His burial.
Judas agrees to betray Jesus.
Passover is prepared; Jesus points out Judas' betrayal and institutes the Lord's Supper.
They go out to Olive Mt. where Jesus predicts the disciples' betrayal. Peter contradicts Him.
How this is about Jesus
Jesus goes out of His way at several points to tell them what is going to happen, so when it does they will have more faith in Him. God did this often in the OT, through prophets, too.
Sins this reveals
We are willing to betray Jesus for money, or to avoid trouble with the local authorities.