In “Gem Mint,” Billy, a Brooklyn-based baseball card enthusiast and YouTuber, manages a card shop while juggling family life. His deep-rooted passion begins to overshadow his responsibilities, leading his wife, Candice, to leave with their kids, accusing him of neglect due to his card obsession.

As Billy grapples with his loss, a video confession further strains his relationship with Candice, who uses it to limit his access to their children. Amidst this turmoil, an opportunity arises to acquire a card collection worth millions. However, after meeting a young father selling his cards for his family, Billy faces a pivotal decision: pursue the valuable collection or prioritize reconciling with his family?