Ulan İstanbul is a Turkish drama TV series that aired from 23 June 2014 to 23 March 2015 on the Kanal D network.
[1] The TV series portrays a group of con-artists disguised as a well-established Istanbul family, the Nevizades.
This leads Kandemir (Uğur Polat), a member of the Nevizade family, and his five children to become con-artists, scamming "bad" people in order to raise money for Captain's release.
After the 29th episode of the series, the Nevizade family finally manages to collect one million Turkish Lira, enough to free Captain.
[1] The show ended with the explanation that Turkish audiences were not yet ready to pay for content.