An ACP with a sharp eye for the truth. 4 mis-fitting pieces in his puzzle. Each move reveals a new clue! Sumer Singh Case Files: Girlfriends, revolves around an honest and diligent police officer, ACP Sumer Singh who moves to Delhi with his sights set on finding and delivering justice, building on his impressive record of solving cases involving youngsters wrapped up in a world of crime. When his leap into romance takes a deadly wrong turn, the no nonsense cop finds himself enmeshed in the lives of four friends, who are all hiding dirty secrets. There is also a high-level inquiry on him since he was closely associated with one the girlfriends. What he hadn't expected was to be sitting before a senior officer, months later, explaining how he got involved with four criminals - in a case which had a disappearance, a suicide, an attempt to murder and blackmail. DCP Ratishankar (Played by Swanand Kirkire) questions Sumer about his dealings with these four young women and he reveals a plot filled with secrets, lies, twisted plots and heartbreak. With Rannvijay displaying his remarkable acting chops, the whodunnit keeps you hooked throughout as it deep dives into the mystery behind the unimaginable extent to which four supposed best friends can go for their own gain. Best friends, for never.The show consists of 8 episodes and features a talented cast that includes Karishma Sharma, Priyanka Purohit, Aditi Arya, Elisha Mayor, Ayaz Ahmed and Sidharth Bhardwaj along with Rannvijay Singh and Swanand Kirkire.