The top star Jung Yihyun, who started as a child actor, decides to quit the entertainment industry due to his mother's sudden death. Kang Jaewon, a part-time worker who lives from hand to mouth, has to temporarily give up his actor dream due to real-life pressures. The two, who had a falling-out in high school due to a misunderstanding, reunite years later because of a musical. Through portraying the characters, they rediscover love.

A dying merman asks a friend to give his remains to his daughter, hiding amongst the humans. Tasked with this dangerous journey, the merman secretly heads to the land of humans. He is chased by a new civil servant recruit fueled by curiosity and hatred.

Min-joon, 27, who bears the burden of his broken family, delivers packages every day, dreaming of being a film director. A soothsayer lights a flame within him. Daily repetition and slippage create unique rhythms.

Do-jin, who promised to marry his Taiwanese same-sex lover Jiahao, tries to inform his Korean family.

With their father in a coma, nurse Seon-young urges her brother Il-hoe, who cannot afford his son's tuition and risks seeing him miss college, to stage a fake funeral. They forge a death certificate and deceive the hospital, but as pressure builds, their plan begins to unravel in unexpected ways.

Su-mi is unable to keep her mother hospitalised because her hospital bills continue to be delayed, and the hospital's 'interim settlement' forces her to discharge her. Believing that if she prays just a little more, her mother will recover, she causes a scene at the hospital and forcibly takes her mother home. Despite everything not going as planned, she refuses to give up hope that she can still send her mother on the flower tour starting next week.