Videotape Stories

Riya has been murdered.The criminal is a cunning person who has left no clue , so the detectives need to have a hard time solving the mystery ! The main door was found open , without any force applied from outside , and her husband found her dead and her phone missing !! Is the murderer her husband or someone else? What was on Riya's phone for which it was stolen?? How will Roma and Abhijeet catch the murderer?