Help me find the drama/movie (Time Travel)

Hi everyone,

I watched a drama/movie (don`t remember) couple of years back where female lead dies and male lead goes back into the past to save her. In the end male lead is able to save the female lead but goes into comma for quite a few years.

Regards

Somehow 18   fits what you are lookingfor.

 Lou:

It could also be this one Nine: Nine Times Time Travel

I have watched Nine but it doesn't fit the description. 

Somehow 18