A large mural behind the altar depicts the Last Supper with images of people representing the parishioners of St. Ann's around the table. The mural intends to connect the Last Supper with Eucharistic celebrations of today. It is a story of love: we are all one in Christ, the Lord.
Represented in the mural is the love of family in the form of husband and wife, and parents with children. The innocence of youth and the wisdom of the aged are also present. There is also the love between friends, neighbors, and people from all walks of life. It is a multigenerational, multicultural portrayal to say that all are welcome at the banquet of the Lord. Wine represents the first public miracle of Jesus, while two doves symbolize peace among peoples. Sandals, towels, and water represent humility; that through love and humility serving others, we are united to each other in Christ. Walking sticks carried by some figures remind us of our journey through life and that our spiritual nourishment and strength is from Christ through the Eucharist.
The designer of this and some other works in the church was Jose Aznar Ibanez. The mural was created using the pyrographic technique in which images are burned into the wood.