Season 1 of Different Lines of Horizon premiered on December 6, 2016.

Chanika returns home from abroad because her father is in the hospital. Upon returning home, she learns that her father is in huge debt and they need money to cover the medical expenses. Her college roommate introduces her to a high paying job out in the suburbs. Chinapat is the owner a rubber tree plantation and hires Chanika as a favor to his cousin. They don't get along because Chinapat has anger management issues and there are rumors about him. In order to avoid being engaged to his mom's friend's daughter, Chinapat asks Chinika to marry him for a large sum of money. Will they ever learn to get along?