Marta (Katia Borlado) lives in Madrid with her stable, caring boyfriend, Leo (Antonio Araque), while completing her doctoral thesis. Taking a summer break, Marta returns to her coastal hometown in Asturias, where she re-encounters her intense ex-boyfriend, Pablo (Álvaro Quintana). The two passionately rekindle their past romance, leaving Marta emotionally torn between the safety and routine of her life in Madrid with Leo and the lingering, instinctive passion she shares with Pablo.