"Partner" centers around two law firms as they struggle to defend the accused and those around them. Kang Eun-ho, a widowed single mother & attorney, tangles with the charismatic and ruthless attorney Lee Tae-jo. In the first two episodes the attorneys work on cases involving a step-brother chraged with murdering of his step-sister and a lawsuit between a wealthy mother-in-law and her divorced daughter-in-law. Each successive episode will cover provocative cases like these, while also bringing to light the charms of the attorneys and their daily lives.

• Kim Hyun-joo
• Lee Dong-wook
• Lee Ha-nee
• Choi Cheol-ho
• Lee Won-jong
• Kim Dong-wook
• Park Cheol-min
• Shin Yi