Lily, a self-conscious businesswoman, and Philippe, a larger-than-life French mushroom-tripping gigolo, are eight months pregnant. Their therapist suggests a nature retreat to a remote cabin. When Philippe discovers a magic box that swaps out their souls, their weekend trip turns into a hilarious adventure. Lily and Philippe are tasked with solving riddle after riddle in order not only to reclaim their bodies, but also to gain a better understanding of their opposite and what they have to offer as parents.