A Kind Of Murder (2017)

A rich, successful, Walter Stackhouse is unhappily married to the beautiful but damaged Clara. His desire to be free of her leads him to Kimmel, a man suspected of brutally murdering his own wife. But when his wife is found dead in suspicious circumstances, his string of lies and his own guilty thoughts seem enough to condemn him. As his life becomes dangerously entwined with Kimmel's, a ruthless cop is increasingly convinced he has found a copycat killer in Walter and aims to nail both murderers.