Oh! My God (2006)

Im Jung Hwan is a playboy from a rich family. He is a simple-minded fellow who likes to fool around, waste money on girls, and bask in his playboy lifestyle. He has not yet graduated from college after 9 years of studying drama. During a school trip, a law major (Eun Ju) pretends to be drowning in the river to draw attention from her friends. But accidentally she slips off a stepping stone--and she can't swim. Im Jung Hwan jumps in to save her. Eun Ju falls in love with Im Jung Hwan and decides to pursue him, but must battle to win his love.