Pit-a-pat (2011)

Original title: 두근두근 달콤

Kim Min-Joo (Heo Young-Ran) is a single mother. Jung Do-Hyung (Oh Min-Suk) is the president of a broadcasting company. He is also a womanizer. Do-Hyung then meets single mom Kim Min-Joo and by the after effects of an accident, falls in love with her. Do-Hyung then discovers real love.