movie or series

it's a historical drama

this lady is sitting on the floor in a palace being watched by a guy who is outside and it's raining

he comes in the palace dressed in white and he and her have a long conversation 

she is upset because she thinks that he doesn't love her and that he is going to marry someone else 

he lifts her up on to a desk or dresser and kisses her like she is his last meal and he is starving

he tells her that he will only love her and marry her something like that