Lock Up follows the lives of sub-inspector Moorthy and constable Vasanth . There is also Ilavarasi , a hard-nosed police inspector who is put in charge of the station the two men work at aft... Read allLock Up follows the lives of sub-inspector Moorthy and constable Vasanth . There is also Ilavarasi , a hard-nosed police inspector who is put in charge of the station the two men work at after the previous inspector, Sampath, is murdered.Lock Up follows the lives of sub-inspector Moorthy and constable Vasanth . There is also Ilavarasi , a hard-nosed police inspector who is put in charge of the station the two men work at after the previous inspector, Sampath, is murdered.