Kang Poong-ho is a pest exterminator by day and a K-1/mixed martial arts fighter by night. He is a single father raising his 7-year-old son Kang San after the boy's mother, his first love Yoon So-yi, abandoned them to pursue her ambition of becoming a pianist. Despite life's trials, Poong-ho never loses his optimism and sense of humor.He meets and falls in love with Jeon Ha-ri, a bright and bubbly medical student from a wealthy family. An obstacle to their romance arises when they learn that Ha-ri's soon-to-be stepmother is none other So-yi and that it was Ha-ri's surgeon father Jeon Ki-suk who sponsored her piano studies abroad. As So-yi re-enters their lives, San is diagnosed with a brain tumor. Poong-ho is willing to go to any lengths to save his beloved son.

Dad & Step-Dad try their best to connect during a weekend visitation exchange of their 13 year-old boy, Branson.

Men and women gather at local singles bars in search of lasting love or casual action.

Vijay, a bank employee, falls in love with Purva at first sight and attempts to get closer to her in hopes of winning her affection. Meanwhile, Harini who secretly harbours feelings for Vijay, begins to follow him—turning his love life into a comedic triangle.

After a high-ranking North Korean official requests asylum, KCIA Foreign Unit chief Park Pyong-ho and Domestic Unit chief Kim Jung-do are tasked with uncovering a North Korean spy, known as Donglim, who is deeply embedded within their agency. When the spy begins leaking top secret intel that could jeopardize national security, the two units are each assigned to investigate each other.

Arjun is the ACP of Hyderabad, who gets involved in an accident which leads him to suffer partial memory loss. He must tackle his inner demons and confront external enemies who are trying to keep him from solving his friend and colleague Aryan Dev’s murder case. Eventually, Arjun solves the murder case and learns that Aryan has been killed by a man, who is a closeted homosexual. To stop Aryan from outing that man publicly, that man killed him.

Dave meets Jim's girlfriend when he picks up Branson

Dave and Jim meet with the school principal to discuss Branson's behavior.

The series focuses on an eccentric motley crew that is the Smith family and their three housemates: Father, husband, and breadwinner Stan Smith; his better half housewife, Francine Smith; their college-aged daughter, Hayley Smith; and their high-school-aged son, Steve Smith. Outside of the Smith family, there are three additional main characters, including Hayley's boyfriend turned husband, Jeff Fischer; the family's man-in-a-goldfish-body pet, Klaus; and most notably the family's zany alien, Roger, who is "full of masquerades, brazenness, and shocking antics."