"Sample Size" is a heartwarming short documentary that explores the story of Philip and Sibs Harrell, a couple who own and operate a small ice cream shop called Sundae Scoop in Virginia Beach, Virginia. The film showcases the Harrells' passion for creating homemade ice cream and using their shop as a hub for community engagement. The Harrells are not just focused on running a successful business and providing a sweet treat, but also on giving back to their community by participating in charity events, fundraisers, and supporting other local businesses. Through their dedication to their shop and the community, they show that small businesses can make a big impact on the world around them.