Mehmet's marriage goes through some more trouble in 1989, when Ali's wife, Sue, discovers that her husband had been having sex with prostitute, Donna Ludlow. Sue is traumatised by this news and turns to Mehmet for comfort. Seeing her chance for revenge Sue makes a pass at Mehmet, purposefully kissing him in Ali's view. For once Mehmet is innocent, but Ali refuses to believe this and the brothers have a massive fight. Ali divulges Sue and Mehmet's fabricated affair to Guzin, who is unable to forgive her husband's latest infidelity with her sister-in-law. After viciously attacking Mehmet she leaves Walford to return to Northern Cyprus, taking their three children with her. After another huge argument with Sue, Mehmet decides to return to Northern Cyprus in order to win his wife back. His last appearance is in March 1989.