Armed conflict in certain areas of Donbas and crisis around Ukraine is a crucial moment in the wider European security architecture. Diplomatic negotiations around this crisis and its resolution will have great impact on wider European geopolitics and values. What is the role of OSCE in this crisis and respective negotiations? How are the dynamics among several layers of negotiations, especially Normandy Format and Trilateral Contact Group? This article will guide you through a journey of ups and downs of diplomacy and its last stop will provoke in reader's mind number of questions and (hopefully) answers.