On December 21, OSEN's exclusive report revealed that tvN's new drama 'Mother' will be the follow-up series to 'Prison Playbook'.

'Mother' is a heartwrenching story of a cool, stern teacher (played by Lee Bo Young) and an 8-year-old girl (acted by Heo Yool) who gets abandoned by her own mom.

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Lee Bo Young will be taking on the role of Nam Soo Jin, an ornithology researcher, who decides to become the mother of a hurting child.