In Barcelona, five stories of desire unfold over a single night. A long-time married couple, Paco and Claudia, invite their friends Alberto and Marta over for dinner, unaware that Alberto and Paco plan to swap partners to rekindle their passion. However, Paco's doubts arise when he learns about Alberto's reputation as a skilled lover. Meanwhile, free-spirited Clara reconnects with her cousin Pablo, but her fantasy of reliving their youth is complicated by his new mundane personality. Raúl, tired of loneliness, visits a swingers club and meets Víctor, while Alba and her friend Liana wake up with no memory of their wild night, only to discover that Alba's engagement ring is missing. As the night progresses, the characters' desires lead to unexpected twists and turns, including infidelity, attraction, and self-discovery.

More the Merrier
Exploring the complexities of human relationships, a diverse cast of characters embarks on a journey of self-discovery, embracing their true identities and succumbing to their most intimate desires.