Two-time Academy Award winner Renée Zellweger returns to the role that established a romantic-comedy heroine for the ages, a woman whose inimitable approach to life and love redefined an entire film genre.

But in Bridget Jones: Mad About the Boy, Bridget is alone once again, widowed four years ago, when Mark (Oscar winner Colin Firth) was killed on a humanitarian mission in the Sudan. She’s now a single mother to 9-year-old Billy and 4-year-old Mabel, and is stuck in a state of emotional limbo, raising her children with help from her loyal friends and even her former lover, Daniel Cleaver (Hugh Grant).

Pressured by her Urban Family —Shazzer, Jude and Tom, her work colleague Miranda, her mother, and her gynecologist Dr. Rawlings (Oscar winner Emma Thompson) — to forge a new path toward life and love, Bridget goes back to work and even tries out the dating apps, where she...