Affair of the Heart is a shopping event produced by Marketplace Events, bringing together hundreds of artists, crafters, boutique owners, and small retailers. Its Oklahoma City show takes place at OKC Fair Park, with the next event scheduled for October 23–25, 2026. Visitors can shop a varied selection of products, including home décor, apparel, food, jewelry, toys, and other finds from local businesses and independent vendors.

The event helps shoppers discover new products, compare offerings, and take advantage of vendor show specials. Attendees can browse the vendor list, consult a show guide, and find practical information through the event’s website, including FAQs and ticket details. The site also features a blog with shopping-trip ideas, gift inspiration, and trend-focused articles.

Affair of the Heart offers online ticket purchasing and invites visitors to subscribe to its mailing list for ticket discounts, show reminders, and updates about events. In addition to the October Oklahoma City show, it promotes other events in Tulsa and Oklahoma City across different seasons.