Vavien (2009) on Netflix

Plot summary

Celal lives in a small town with his wife Sevilay and their child. He and his brother Cemal run an electrician's shop that is not doing well, and the two of them are in debt. Their only amusement is the nightclubs in Samsun, where Celal has fallen for Sibel Ceylan, who works there. Sevilay puts away the money her father sends from Germany, and she has no idea that Celal knows about it. Unhappy at home and short of money, Celal sees her savings as his way out. He settles on a plan that would leave him with the money and make his wife's death look like an accident.