What will happen in Sandık Kokusu Season 1 Episode 21?

Karsu decides to take the children and move in with Reha. Although the arrival of Karsu and the children makes Reha very happy at first, will things go as she wants? Hasan's withdrawal from illegal business disturbs some of his partners. Süleyman, one of the partners, threatens Hasan to continue the business. Karsu wants to apologize to Atilla and make him forgive her and prepares a surprise for Atilla. What will Atilla's reaction be to this effort of Karsu? Hasan talks to Filiz and tries to forgive himself. However, Filiz is not at ease regarding the Karsu issue. Hasan decides to apologize to Karsu to reassure Filiz. What kind of obstacles will Hasan face while trying to apologize to Karsu?