Nana and Park Hae Jin's upcoming drama 'Four Sons' has run into production issues.
SEE ALSO: After School's Nana displays her exquisite beauty for 'High Cut'
The two stars were confirmed to be playing the leads last month, but production has now been stalled due to SBSand PD Oh Jin Suk stepping away from the series. On September 19, a source from SBNS stated, "Due to various circumstances, we've decided not to be involved in the production and airing of 'Four Sons'."
'Four Sons', also starring Kwak Si Yang, Kyung Soo Jin, and NUEST's Ren, is a mystery romance drama about a female detective who runs into her late lover's quadruplet brothers.