پس از وقوع فاجعهای در زمین، یک زیست شناس دریایی در ماموریتی تحقیقاتی در یک زیردریایی باید برای آشکارسازی یک توطئه بجنگد.
قسمت ۱
Arman reluctantly embarks on a submarine research trip sponsored by his father. At the Incirlik Air Base, Hatice reports an unusual radiometer reading.
قسمت ۲
Amid a search for survivors in Kos, Arman and Defne rush to find Kenan before sunrise. Felix and Cem scramble to restore electric power to the town.
قسمت ۳
Inside the submarine, tensions come to a head between Arman and Umut. When Barış's actions unravel, Erenay confronts an impossible dilemma.
قسمت ۴
Arman and Yonca must swim out to fix a rupture, but the submarine is still in jeopardy. The Yakamoz crew discovers an intruder.
قسمت ۵
After Hatice reveals a shocking truth about Erenay, Umut and Yonce begin to suspect Defne. The crew tracks an airplane. Cem makes a devastating choice.
قسمت ۶
Umut decides to switch course and head for a seed vault in Norway. Hatice snoops inside Defne's room. The crew docks in Spain, and carnage ensues.
قسمت ۷
Umut reads a message from NATO that leads him to lash out against Arman. Arman sets a trap for Umut and speaks to his father on the phone.
