Im looking for this anime and i couldnt remeber the name!!

I am looking for an anime, The girl had blonde hair and the guy had brown hair .im trying so hard to remember the storyline And smthg happens and they go in a like airplane were only 2 ppl are there and she is the pilot I think And it falls and she carries him to a house in the woods And the women there shelters them blah..and she talks abt her son or husband that died in the car or smthg And then further on..all we know is she had a daughter And he somehow changed his face Because he works in the government or so And her daughter is like their daughter But she dont know who her father is I think she has brown hair And her daughter is friends with some important guy And something happens in a train And the train falls at the end and the. She thinks he's dead He as in her friend But in the end, he is alive.