Kira Noir and Dante Colle invite their friends Bella Rolland and Ryan Driller over for a pot roast dinner but discover that Bella and Ryan have already eaten and are in the mood for something different. Bella surprises them with a suggestion to couple swap, which initially stuns Kira and Dante but ultimately intrigues them. After some consideration, Kira and Dante decide to embrace the idea, leading to an adventurous night that departs from the original dinner plans.