떠오르는 스타 디자이너 엘라. 호화로운 집에 다정한 남편까지, 모든 걸 가진 그녀에겐 한 가지 고민이 있다. 바로 아이를 원하는 마음이 전혀 생기지 않는 것. 사회적 압박에 시달리던 그녀는 새로운 각도로 임신 문제를 다루는 임상시험에 지원하고. 놀랍게도 치료는 효과를 보이지만, 엘라는 어떤 대가를 치러야 할까?

The passage of time is probably the only concrete proof we have that justice exists in this cruel world. Some people would like to stop time in its tracks, while others choose to follow its path. In this story, three men in their early thirties have reached that age when it's time to start thinking about "getting a life", perhaps starting a family. But how do you handle the fact that your friendships are changing? That, slowly, your new family is becoming the center of your ever-shrinking world? What do you do when you realize your youth is a thing of the past?

Why are you more likely to have a heart attack at eight o'clock in the morning or crash your car on the motorway at two o'clock in the afternoon? Can taking your medication at the right time of day really save your life? And have you ever wondered why teenagers will not get out of bed in the morning? The answers to these questions lie in the secret world of the biological clock.