The official trailer for Chị chị em em 3, released on 12 October, introduces Steven Nguyễn's character Cường in a story involving five intertwined relationships. Thanh Niên reports that he plays the husband of Ninh Dương Lan Ngọc's Thị Liễu, alongside Kỳ Duyên, Chi Pu and Quốc Anh. Producer Will Vũ says the role was added during script development. The film is scheduled for 30 October; the relationships described are fictional plot elements.