[2] Four single people, happily divorced paralegal Lee Soo-kyung (Lee Soo-kyung), mysterious gourmand Goo Dae-young (Yoon Doo-joon), design student and former rich girl Yoon Jin-yi (Yoon So-hee), and petty lawyer Kim Hak-moon (Shim Hyung-tak), all enjoy living alone, except for that pesky problem that dining out is not designed for one.

[3][4] Let's Eat depicts the daily life and romance of a single woman when a murder case occurs in her neighborhood.

It portrays the process of how people improve relations via food", and further explained that "Korean dramas have lots of eating scenes in which conflict erupts or settles down".

[11] A second season titled Let's Eat 2 aired in 2015, but only Yoon Doo-joon reprised his role as Goo Dae-young, who moves to Sejong City and befriends new neighbors played by Seo Hyun-jin and Kwon Yul.

[12][13] The third season Let's Eat 3 aired in 2018 with Goo Dae-young, in his 30s, revisiting foods he loved in his 20s with former college classmate Lee Ji-woo (Baek Jin-hee) & their memories of the past.