Rest for the Wicked 2011 one on netflix

Ex-cop Murray(Tony Barry), is compelled to come out of retirement for one last case, when he finds out his old nemesis Frank (John Bach) is now in the Knightsbridge Gardens Retirement Village. In order to catch his man, Murray goes undercover by becoming a resident. He also discovers a world of sex, drugs and rocking chairs where life is lived and being old does not mean feeling past it. However Murray discovers that things are not always what they may seem to be.