Justin and Kate — are happy couple who got married ten years ago. All this time they dedicated themselves, showing how they care and love each other and making a successful career. After time they finally decided to have a baby. At this time, one floor below in the house occupied by new tenants-John and Teresa, who are also married couple, which is also preparing for the birth of their firstborn.
Justin and Kate decide to become friends with new neighbours, with whom they have a lot in common. They invite a couple for a family dinner, during which they got acquainted closer and chatting on a variety of topics. That's just harmless dinner ends with this tragedy, which becomes the beginning of a very tense relations between the neighbours.