Invincible Lee Pyung Kang

Woo On Dal returns to Korea for the wedding of his father Woo Pyung Won, the president of a golf resort; Pyung Gang, who works at Woo Pyung Won's resort, rushes home to deal with loan sharks who stormed her house.

President Woo Pyung Won is angry with On Dal, saying the resort's reputation was damaged; On Dal lives in Pyung Gang's guesthouse; Pyung Gang is annoyed by him acting like the owner and treating her like a maid.

On Dal has to participate in a golf tournament to reflect on the perversion incident and redeem his reputation; Pyung Gang has a hard time because of On Dal and decides to leave the resort; On Dal needs Pyung Gang for the golf tournament.

On Dal participates in the golf tournament with Pyung Gang; Jae Wang Hoo and her son try to prevent them from winning the tournament; Pyung Gang is locked up at the police station because of her mother, Yeon Na Boo.

On Dal is disqualified from the golf tournament and his father collapses; On Dal decides to leave for the U.S. but he hears from Kwan Ja Rak that his father's company might go bankrupt and Jae Wang Hoo is trying to take away the resort.

President Woo Pyung Won, On Dal's father, shows signs of dementia and doesn't recognize his son; Pyung Gang lets On Dal stay at her place and tries to take care of him; On Dal finds a way to keep the resort and President Woo Pyung Won's assets.