一位物理学家用热力学定律来描述浪漫感情,但他的理论却被自己的爱情生活所证伪。In Barcelona (Catalonia, northeast to Spain), Manel is a neurotic scientist obsessed with the idea that the three laws of thermodynamics rules the daily life of all people, writing a thesis about it while he works as teacher assistant in the university. His happy life with his long-time girlfriend Raquel ends the day that casually he crashes in the street at the same time with Elena (a sexy and famous top model), Eva (a beauty young lawyer who recently has opened her own law firm) and his friend Pablo (an Argentinian CEO of an advertising company and an unstoppable womanizer). After the incident, Manel breaks up with Raquel and he starts dating with Elena, at the same time that Pablo dates Eva. Meanwhile Pablo and Eva's relation is based only in casual sex without engagement, Manel and Elena lives an idyllic love story, but when it starts to give signals to worse, Manel's neurosis frustrates Elena as well as his compulsive behaviors, in his belief that all is by cause of the ...