Three men run a Waikiki-themed guest house in Korea, struggling with low customer count and dwindling funds. They finally get a guest—a seemingly abandoned baby.

Yoon Ah tries to prove her worth to Dong Gu, who's currently more concerned with Su Ah. Joon Ki is stuck in costume makeup when the filming of his new movie is delayed.

Seo Jin realizes her crush may have some flaws of his own. Yoon Ah works to help Dong Gu heal as he stews in his own misery.

An embarrassing viral video of Joon Ki leads to new opportunities. Yoon Ah teaches Dong Gu how to deal with babies when he's at work.

Seo Jin falls into a depression when her dream abruptly dies. Meanwhile, Doo Shik's dream takes an inappropriate turn just as he develops heart eyes for a new coworker.

One of Yoon Ah's new classmates takes an interest in her, but Dong Gu is suspicious of his motives. Later, the two of them are given an ultimatum based on yet another lie.

With nowhere to go, Su Ah turns to Dong Gu for help. Doo Shik runs into an old classmate, but the circumstances are less than optimal.

Unable to find success on the big screen, Joon Ki considers a different kind of performance. Dong Gu and Doo Shik both try to come to terms with their crushes.

Dong Gu's chances with Yoon Ah seem to plummet when he makes a mistake with Sol. Joon Ki and Seo Jin's eternal feud heats up.

Joon Ki and Seo Jin argue about the previous night's events, but are not quite on the same page. Doo Shik and Su Ah team up to catch Su Ah's scheming ex.

When Su Ah's exuberant, yet fearsome brother shows up, everyone panics to cover up a lie meant to appease him. Doo Shik gives Dong Gu relationship advice.

An awkwardness develops between Seo Jin and Joon Ki. Dong Gu tries to make time to see Yoon Ah outside of his job, but his exhaustion catches up with him.

Joon Ki and Seo Jin take desperate measures to hide their relationship from Dong Gu. Su Ah recruits Doo Shik to help her launch her own business.

Doo Shik and Su Ah find themselves going in circles. Joon Ki competes for a role in a commercial. Dong Gu and Hyun Joon try to play fair.

Seo Jin and Joon Ki take a secret trip while Dong Gu takes the rest of the Waikiki crew out for a spontaneous workshop. Unsurprisingly, neither of the trips go as planned.

Dong Gu disowns his housemates, feeling like they're all against him. Doo Shik and Su Ah end up in yet another smelly situation while Yoon Ah ends up in a sticky one.

Dong Gu's insecurities take over as soon as he confirms Yoon Ah's feelings. A Ukrainian houseguest piques Doo Shik's interest.

Joon Ki reacts differently to having a stalker than most actors would. Doo Shik develops a crush on Su Ah's friend.

Joon Ki is chosen to throw out the first pitch at a baseball game. Su Ah tries her hand at designing her own fashion line. Yoon Ah takes the 2018 baking technical exam.

In the final episode, the guest house faces turmoil as Sol's father arrives. Joon Ki and Seo Jin question their relationship, while Su Ah confronts her feelings for Doo Shik.