The fearsome quartet, including Chét-Xi-Cà, Dì Bốn, Cậu Mười Một, and Con Kiều, make their grand entrance with a legendary scheme. Rumor has it their next mission is in Đà Lạt—just how wildly will these troublemakers stir up the Tet festivities?
The story revolves around Mrs. Nu's family consisting of three generations living together in the same house. The one-handed Mrs. Nu is known for her crab cakes and is also notorious for controlling the lives of everyone, from her daughter to her son-in-law. Everything was going normally until the youngest daughter fell in love with a handsome guy from a rich family. The story depicts the complex, multi-dimensional relationships that occur with family members. The main tagline (message) "Everyone is at fault, but everyone thinks they are... the victim" contains many hidden meanings about the content the film wants to convey.