Isla Gardiner and Graham Bell make eye contact on a transatlantic flight, discovering an instant chemistry. They discover a kindred spirit who helps them reflect on themselves and the sort of life they want to live. Unable to say goodbye after accepting their feelings, they spend a magical weekend in Chicago, and face the realities of a long distance relationship, stigmas against instant chemistry, & evasive past demons that resurface. What are the odds that Instant Chemistry is built to last?