On the day she dumps her cheating fiancé, Sophie meets her best friend's son, Karl, a handsome, energetic swimmer. She promised her best friend that she would take care of Karl for a while until the end of the swim competition. However, when Karl moves into her house, for some reason she always "just happens" to run into his most seductive side. Sophie was amazed at how much Karl had grown into a hormone-filled man, and she couldn't help but be seduced by him... Even though she knew that Karl's her best friend's son and that she's 14 years older than Karl, she still slept with Karl and the two fell in love. As Sophie struggles to balance her feelings and morals, she is shocked to find out that her fiancé's cheating partner is actually her best friend! And her relationship with Karl was discovered by her best friend at the same time...