Alice Ferguson is an A-list tabloid editor from Los Angeles who gets pregnant after a one-night stand with a sports doctor from Nashville. When her health takes a nosedive and her unborn child is put at risk, she is forced to pack her Louis Vuitton bags and take a sabbatical from her high-pressure existence in Hollywood and relocate to the heart of Dixie with a man she barely knows.
As she struggles to adjust to her new life, an unlikely friendship with an African-American pastor and his family starts Alice on a touching and surprising spiritual exploration. After months of listening to her new friends asking her to attend church, a meal of fried chicken and angel food cake seals the deal. Alice reluctantly agrees to attend one service to watch her pastor friend put on his weekly show.
Sitting in the very last pew, she internally doubts and mocks the Bible-thumpers, but she also begins to reflect on the incidents in her painful past that have brought her to a life of moral ambiguity. As she learns to let go of the pain and accept herself, Alice goes from making fun of them to possibly being one of them. Equal parts humor and heartbreak, One Sunday is Alice's journey to hope, friendship, laughter, tears, inspiration, forgiveness, and the love and peace that come only from God.