Anorymous | Points

I am trying to find a film where there is a couple and the man accidentally (I think) killed an old woman and burried her in their garden with flowers( I think roses) and someone while gardening found...

Hey there! I've been searching for a long time now and can't find the movie title im looking for. I've seen it as a child, probably between 1999 and 2004. If i recall correctly, the movie starts off in...