What is Fatmagul's Fault?

Episode 19

"The truth Fatmagül tells creates a bombshell in the wedding hall. Meltem is now faced with the most difficult decision of her life. Kerim realizes how much their lives will change with this latest situation. Thinking that the Yasarans will surely take revenge, he tries to convince Fatmagül to leave the house. However, Fatmagül is no longer afraid to face her enemies."