I suppose to watch this movie, 5 years ago ! but only now I watch it. haha :D
well, this story is about a doctor, Kate, who is leaving her rent house in 2006.She leaves a letter to the next tenant regarding to the paw prints on the walkway leading to the lake house.
Two years earlier, Alex who is an architect went to the lake house and found Kate's letter. But there was no paw prints. Then a dog came to him through his paint and leave a fresh paw print.
Lol, this is a very good love story ! I laugh, cry. well, i loves this so much. If you want the full synopsis go find in wikipedia or something !