Fool's Love

Ho Goo is hopeless in love, strung along by women who see him as a "brother" rather than a "boyfriend." Luckily for him, he crosses paths with his high school crush, national swimming champion Do Do Hee.

Ho Goo travels to Yeosoo with Do Hee, spending one very eventful night on the beach with her.

Ho Goo suffers a mental breakdown when he realizes that the girl he's been in love with is pregnant with another man's baby.

With Do Hee's water breaking, Ho Goo rushes her to the hospital, only to learn that she has no one to be beside her when she gives birth. Ho Kyung's research attracts the eye of her professor, who has other designs in mind for her bright student.

Despite being there for her, Do Hee pushes Ho Goo away because she doesn't want him to have any attachment to her 'mistake.' Kang Chul deals with a case about a single mother.

Do Hee's coach uses Ho Goo to track down his swimmer, especially when rumors run rampant that she's given birth out of wedlock. Ho Kyung goes on a date with Kang Chul.

Kang Chul reveals his magical day with Ho Goo. But is it really Ho Goo?

Ho Goo does his best to involve Kang Chul with Do Hee and the baby's matters, but Kang Chul keeps mistaking it as Ho Goo's affection for him.

Ho Goo insists that Kang Chul be involved in the raising of the baby, even though Do Hee tells him that Kang Chul is not the father.

The adoptive parents finally arrive to pick up the baby, just as Do Hee's contract with her agency is brought up for review.

Do Hee grapples with the guilt of having given up her child, and in a risky career-ruining move, decides to take Geum Dong back. Kang Chul decides to test out whether he's really gay or not.

Ho Kyung finally stumbles upon Kang Chul, Do Hee, and Ho Goo all together, and the truth is slowly revealed.

After the surprise kiss, Ho Goo tries to ignore Do Hee and her flirtations as much as possible. Ho Kyung tries to come to terms with Kang Chul's sexuality.

The parents grapple with the truth about Do Hee, Ho Goo, and Kang Chul's relationship with each other. Kang Chul seeks help on how change his sexual identity.

The identity of Do Hee's dead friend is revealed. A year later, much has changed in Do Hee, Ho Goo, and Kang Chul's lives.

Ho Goo and Do Hee reaffirm their love for one another, and take a stance against Kyung Woo. Kang Chul realizes the truth about Ho Kyung.