Bachelor Party - S1.E18

Ayça Peker, 27 years old. She was found stabbed to death next to her ex-lover Barış. That night there was a bachelor party at the house for Barış, who was about to marry Seda. And no one at home remembered exactly what happened that night! What happened at Barış's bachelor party? What did the stripper girl who was called to the house that night know? Did Berent, Barış's old friend, call Ayça home? Was Ayça really pregnant? Had Barış given up on marrying Seda? Did Arda, Barış's new best friend, know what was going on?