1Signal
While preparing for her wedding, Jin Ha-kyung deals with work headaches as Lee Si-woo refuses to give up on signals that point to an oncoming storm.
2Sensible Temperature
Han Ki-jun's shameless requests infuriate Ha-kyung, who considers an overseas job opportunity. Si-woo shows up at the office on a two-week assignment.
3In Between Seasons
A drunken encounter with Si-woo leaves Ha-kyung uncharacteristically disoriented. At work, her public clashes with Ki-jun continue.
4Visibility
Si-woo's co-workers notice that he seems to have gotten on Ha-kyung's bad side. Chae Yu-jin writes a newspaper article criticizing the weather service.
5Localized Heavy Rain
Ki-jun finds it difficult to let go of Yu-jin's lie. Unrest grows within Ha-kyung's team, and Um Dong-han struggles to focus at work.
6Heat Island Phenomenon
Ha-kyung grows wary of Si-woo's secrets after running into him at a motel. News about her mother sends her hurrying to the hospital.
7Ozone Warning
After an uneasy conversation with Yu-jin, Ki-jun seeks sage advice. While looking for a place to crash, Si-woo finds someone else in need of a home.
8Discomfort Index
As temperatures boil over outside, so do emotions as another uncovered truth pushes the animosity between Si-woo and Ki-jun to new heights.
9Dry Changma (Rainy Season)
Bothered to no end by the sight of Ha-kyung and Si-woo together, Ki-jun tails them on their day off. Meanwhile, Yu-jin's frustration balloons.
10Tropical Night
Ha-kyung faces intensifying pressure from her mother to get married. A pesky reporter lurks around the office in search of a good story.
111℃
When Ha-kyung chooses to send Si-woo far away on assignment, he doesn't hide his displeasure. Dong-han is elated when his daughter returns to see him.
12Variation Area
Upon learning Si-woo's sustained an injury while working, his father causes a scene at the office. Ki-jun can't get a hold of Yu-jin.
13Scenario 1, 2, 3
Relationship troubles abound as Ha-kyung tries to process what Si-woo wants, and Ki-jun and Dong-han set out to save their respective marriages.
14Migratory Anticyclone
Gossip about Ha-kyung and Si-woo dating sets the office abuzz, much to their chagrin. Yu-jin is unable to celebrate being handed a coveted assignment
15Ensemble
Ha-kyung is asked to keep a secret, Yu-jin grapples with a life-altering decision and Dong-han tries to make it to his daughter's birthday dinner.
16Tomorrow's Answers
While a second wave of rumors about Ha-kyung and Si-woo spreads around work, those around them urge them to reconsider the status of their relationship.