The Cleaner tells the story of a young woman who starts making friends with the cleaning lady who comes to her house. Alice is a young woman trying to distance herself from her relationship with her boyfriend. This process is not easy for Alice, who is addicted to love. Meanwhile, he starts communicating with a woman named Shelly who comes to do cleaning at his house. Trying to help Shelly, who has scars on her face, Alice begins to establish a closer relationship with her as time goes by. Satisfied with her friendship with Shelly, Alice soon learns the terrible truths about her new friend.