Watch The Diaper Cake Full Movie Free Online 123Movies. Lena and Vitya, both in their early 20s, are two kids who now have a kid of their own. In the postnatal hospital room, like in limbo, their first team project is to wake their son for a feed. As the new parents repeatedly fail, they have to deal with the irreversible changes in their lives and with each other. Meanwhile, the diaper cake silently sits in the room, like a time bomb.