改編自東野圭吾原著同名小說《解憂雜貨店》，講述了在一家僻靜街道旁的雜貨店，只要寫下煩惱投進店前門卷簾門的投信口，第二天就會在店后的牛奶箱里得到回答。某個夜晚，三個身在迷途的年輕人阿杰、小波、彤彤無意闖入，沒想到開啟了時光隧道，從收到來自過去的第一封咨詢信開始，在不斷的回信和收信過程中，過去鏈接了未來，猶豫是否該堅持音樂夢想的秦朗、是否該和家人因逃債遠走他鄉(xiāng)的浩博、是否應(yīng)該放棄舞女工作的晴美都從他們的回信建議做出了選擇，找到了心靈的方向，不經(jīng)意間也串聯(lián)了所有人的人生。同時這三個年輕人也收到了對于自己困惑的解答。

　　Housefull 4 is an upcoming Indian comedy film directed by Farhad Samji, and produced by Sajid Nadiadwala under the banner of Nadiadwala Grandson Entertainment. The film is the fourth installment of Housefull.[1][2] The second to be directed by Farhad Samji who also directed the third installment.[3] Nadiadwala claimed that the film will be the highest budgeted Indian comedy film.[4][5][6] The film is slated for a Diwali 2019 release.[7]