flash is a 2007 indian malayalam-language thriller film directed by sibi malayil and written by s. bhasurachandran. it was produced and distributed by tomichan mulakuppadam. the film stars mohanlal and parvathy thiruvothu. the plot revolves around dhwani (parvathy), who has to go through some harrowing experiences, and her big, joint family. "flash" was released on 25 december 2007