In the gripping thriller "Without Apparent Motive," a series of unexplained killings unfolds in Nice on the French Riviera, leaving Commissaire Carella to unravel the tangled threads. A detective faced with a mystery sniper, Carella delves into the dark world of money laundering, narcotics, and prostitution to uncover the truth behind the seemingly unrelated victims. As he digs deeper, a shocking revenge plot is revealed, leading him to confront a ruthless culprit in a tense showdown.