Star Trek: Deep Space Nine S07 E02 Shadows and Symbols

"At the edge of the Final Frontier, the Universe's greatest mystery is about to unfold."

Stardate: 52152.6. As Sisko searches for the Orb of the Emissary, Kira prepares a blockade opposing the Romulans near the Bajoran moon Durna. Meanwhile, Worf and Martok lead a suicide mission in Jadzia's name.