Heart to Heart S1:E4

Episode 1

Famous psychiatrist, Dr. Go Yi-seok, crosses paths with a young woman with social anxiety disorder, Cha Hong-do. Hong-do comes to his office to discuss his new book, and finds him atop his patient, a pen lodged in the patient's throat. A 911 call launches an investigation.

Episode 2

Dr. Go's patient wakes up at the hospital and claims to have inflicted his wounds on himself. Dr. Go's name is cleared, but his reputation has been damaged. Hong-do wants to fix her blushing face.

Episode 3

Hong-do barters with Dr. Go for free counseling, and for their first session, she confesses her love to Doo-soo. Hong-do observes Dr. Go cracking the core of a patient's mental issues.

Episode 5

Oh Young-rae gets her job back with President Go. Hong-do's sudden love life is in limbo. Doo-soo finds out about Hong-do's one-night-stand with Go Yi-seok, and seems to fall for Doo-soo even further.

Episode 6

Go Yi-seok's father returns from America after estranging himself from the family, shaking up the household. Hong-do reacts to Go Yi-seok sharing details of their private night with Doo-soo.

Episode 7

Doo-soo calls off his wedding, tells his Aunt he's done with blind dates, and takes Hong-do out on a date. Go Yi-seok struggles to understand his two newest patients.

Episode 8

Se-ro begins to fall for Doo-soo. With Hong-do's help, Dr. Go helps the twins get to the bottom of their problems. As Go Yi-seok falls further in love with Hong-do, she begins to crawl out of her helmet.

Episode 9

Go Yi-seok's ex-girlfriend calls him to vent after making a big mistake at work. Unfortunately for Hong-do, she calls at the worst possible time. Doo-soo confronts Go Yi-seok about his actions.

Episode 10

President Go starts to fall in love with Oh Young-rae and tries to make a move, but his health doesn't comply. On their make-up date, a huge discovery is made. Hong-do helps crack another case.

Episode 11

As President Go's health deteriorates, he falls harder and harder for Ms. Oh. Se-ro keeps trying to get noticed by Detective Jang, but he can't get over Hong-do.

Episode 12

A bombshell revelation rocks the family as the coincidences begin to domino into a nightmare for all parties. Hong-do's landlord wants her out as soon as possible. Mrs. Hwang leaves in a fit of fury.

Episode 13

Yi-seok's mother confronts Cha Hong-do with a previously unknown new truth, sending Hong-do into a downward's spiral. Se-ro struggles in her newest role, as her lack of success begins to deflate her.

Episode 14

Go Yi-seok eventually and accidentally finds out what his family already knows, and tries not to break down. Hong-do regresses dramatically and runs away. Doo-soo tries to calm her down.

Episode 15

Detectives Yang and Jang pursue a photograph that was left uninvestigated at the scene of the fire. Go Yi-seok and Hong-do estrange themselves from one another. Se-ro plans to move back to the U.S.

Episode 16

Hong-do confronts President Go about his lies. The truth comes out and the Go family stabilizes. Se-ro is ready for her flight to the U.S, while Doo-soo still tries to understand his feelings for her.