In recent years, the Mobile Wireless Sensor Network is the emerging solution for monitoring of a specified region of interest. Several anomalies can occur in WSNs that impair their desired functionalities resulting in the formation of different kinds of holes, namely: coverage holes, routing holes. Our ultimate aim is to cover total area without coverage hole in wireless sensor networks. We propose a comprehensive solution, called holes detection and healing. We divided our proposed work into two phases. The first phase consists of three sub- tasks; Hole-identification, Hole-discovery and border detection. The second phase treats the Hole-healing with novel concept, hole healing area. It consists of two sub-tasks; Hole healing area determination and node relocation.