Stream Jason's Summer Online Free – Watch Full Movie from Home at 123Movies. . Summer vacation begins and Jason and his mother Kaarina go to the country, away from the dust and noise of the city. Jason notices that the others have also come to the vacation home to spend their summer vacation. There are a few big people and one small one. Kaarina loves not having to cook. But Jason thinks people look like they're sitting at home alone. So he starts organizing things a bit. And at the end of the holiday, everyone has new friends!