Crimes (1998)

Alekos and Flora were high school sweethearts 20 years ago. Now both are into unhappy marriages, Flora with Achilles & Alekos with Soso. They meet again and start an affair. At the same time, Achilles goes to a missing-persons TV show to find his long-lost sister Corrina while Soso finds out about the infidelity and decides to kill Alekos.