Little Secrets (2001)

Emily is a plucky preteen who is entrusted with her young neighbors' most private and cherished secrets. Every Wednesday, Emily sets up a booth in her backyard that regularly attracts the guilty young souls of the neighborhood. These include Philip, whose clumsiness and his interest in Emily make him a challenging client. But complications ensue when she suddenly finds it difficult to keep all of her neighbors' secrets to herself.

Unfortunately the movie Little Secrets is not yet available on HBO Max.